- Last update: Jul 05, 2020
- Bo Chen, Wenjie Fang, Alfred Eichhorn, Danilo Nitsche, Kurt Beschorner
Jul 05, 2020 R459, c221; SNFS-difficult = 306
last msieve-extract:
commencing linear algebra
matrix is 49114833 x 49115010 (24803.7 MB) with weight 7031998278 (143.17/col)
sparse part has weight 5961868268 (121.39/col)
commencing Lanczos iteration (16 threads)
linear algebra completed 36566000 of 49.1M dimensions (74.5%, ETA 442h)
- Bo Chen, Wenjie Fang, Alfred Eichhorn, Danilo Nitsche, Kurt Beschorner; the R1980M-polynom was
created by Maksym Voznyy in cooperation with mersenneforum - thanks!
Jul 07, 2019 n =1980M: 1894480662587906626213719003472037744324031299064496778010791034044578628744590947201792481; GNFS
- Bo Chen, Wenjie Fang, Alfred Eichhorn, Danilo Nitsche, Kurt Beschorner
Jul 05, 2020 R1740M, c204, GNFS: the R507-polynom was created by Maksym Voznyy - thanks!
286M unique relations and 488M unique ideals are collected
currently progress ~ 39 %:
- Found by Kurt Beschorner
Apr 15, 2020 n = 9029: 1635319120734576358170774369706363; B1= 1e6; sigma = 0:8793739683518911
Apr 16, 2020 n=299912: 4280532734261684449; B1= 11e3; sigma = 6007364260174254
Apr 24, 2020 n=299927: 141209565729862067; B1= 11e3; sigma = 6202532062032653
May 26, 2020 n = 9089: 30418264146162968969429117; B1= 1e6; sigma = 4274930699985848
May 29, 2020 n = 9093: 101908180340763230295104537071; B1= 3e6; sigma = 3681890424543276
Jun 11, 2020 n = 9129: 58716953887634579999893; B1= 3e6; sigma = 581214424774345
Jun 16, 2020 n=299947: 4179348094038241; B1= 5e4; sigma = 7664573366871508
Jun 24, 2020 n = 9135: 11344306940218749065447446471; B1= 3e6; sigma = 6758203416202594
- Found by ECMNET/Sam Wagstaff
Oct 03, 2019 n =1420M: 101956533794009284800765131459172391943780858147641273764890861; ecm
Feb 21, 2020 n = 337: 906533749251005245151122204670351312590267105760052002862150546121; ecm
- Found by Alfred Eichhorn
Feb 07, 2020 n =52571: 559529051889727653062093; B1= 5e4; sigma = 7455767888265547
Feb 07, 2020 n =52571: 20517054941520442699702643 * 9678762390......c52521; B1= 5e4; sigma = 4740502804702800
Feb 07, 2020 n =52639: 15711934104819221807719 * 7071765345......c52616; B1= 5e4; sigma = 6804711781004988
Feb 18, 2020 n =52901: 123916442620826244778132831 * 8966615629......c52874; B1= 5e4; sigma = 3330132924706343
Mar 11, 2020 n =30557: 488739274086097811461190161 * 2273423009......c30530; B1= 5e4; sigma = 2893196195929023
Apr 24, 2020 n =90187: 5511973860992747650969729 * 2015813461......c90162; B1= 5e4; sigma = 0:3080777569154888
Apr 28, 2020 n =31489: 1075970182610939077766201 * 1032659760......c31465; B1= 5e4; sigma = 2795030700556035
Apr 28, 2020 n =31567: 89467776154704014686769 * 4570952559......c31523; B1= 5e4; sigma = 867681213623428
Apr 28, 2020 n =31601: 8700549863923556796754027 * 1277058494......c31576; B1= 5e4; sigma = 0:8761566935674878
May 04, 2020 n =31873: 2889000206988332683096031387 * 3846005647......c31845; B1= 5e4; sigma = 5296134971648714
May 04, 2020 n =53653: 2364313679577837740321267 * 3545833684......c53611; B1= 5e4; sigma = 4112093875386518
May 14, 2020 n =31981: 72196917331341724987875079 * 1539000766......c31955; B1= 5e4; sigma = 6893105606345854
May 14, 2020 n =32027: 570756320932474796608885321 * 1946734657......c32000; B1= 5e4; sigma = 8805025147452105
May 14, 2020 n =53717: 400508678524420115806230649 * 2774249774......c53690; B1= 5e4; sigma = 0:6028819601082278
May 27, 2020 n =32341: 108356997611851134571717413721 * 1025417034......c32312; B1= 5e4; sigma = 7462963621981876
May 27, 2020 n =90373: 4614344401493455210003273963 * 2407950110......c90345; B1= 5e4; sigma = 6334765406592556
May 27, 2020 n =90397: 105845847549750221725067 * 1049744639......c90374; B1= 5e4; sigma = 9003930757188247
Jun 08, 2020 n =32603: 45903897617432364294119 * 2420515835......c32580; B1= 5e4; sigma = 3075270328928611
Jun 08, 2020 n =53917: 294269401779639493852213 * 3775829577......c53893; B1= 5e4; sigma = 5866403170814528
Jun 08, 2020 n =90619: 2345630318122074716729 * 4736940439......c90597; B1= 5e4; sigma = 7480871379203208
Jun 16, 2020 n =32887: 214754296621034269611689 * 5173871389......c32863; B1= 5e4; sigma = 5776684445425926
Jun 22, 2020 n =32957: 3034964556511025727319 * 3661034883......c32935; B1= 5e4; sigma = 6759563567141852
Jun 22, 2020 n =54311: 99226280343250370040079 * 1119775030......c54288; B1= 5e4; sigma = 5492623138501617
Jun 22, 2020 n =90947: 4836116397715960105187489 * 2297527643......c90922; B1= 5e4; sigma = 6875843154026388
Jul 01, 2020 n =33113: 24353329584974226507401 * 4562460780......c33090; B1= 5e4; sigma = 7127985045140319
Jul 01, 2020 n =54361: 665592461889878795163841 * 1669356512......c54337; B1= 5e4; sigma = 5447122642957776
- Correction: find out by Makoto Kamada
Apr 22, 2020 false: n = 6881: ......c5840
Apr 22, 2020 correct: n = 6881: ......prp5840
- Found by Yousuke Koide
Apr 05, 2020 n = 816: 3178246571075235723080972275640135632212436318968968029466533249264048115754831736073020454216579035062833710671458881; SNFS
- Found by Danilo Nitsche
Apr 16, 2020 n=299933: 470768613790117 * composite cofactor 531112...c299899; mfaktc
- Found by YOYO@home
YOYO@home/[P3D] Crashtest
Feb 14, 2020 n =2580L: 3209681398615442534074101309775547494759396015886801499169945861; B1= 85e7; sigma = 0:1524063036262106663
YOYO@home/Beyond
Feb 23, 2020 n = 1233: 82953452943096961359732993332153506983079; B1= 43e6; sigma = 0:10297922851821278427
YOYO@home/cellman
May 19, 2020 n = 1233: 2071133703625587214227323104568507030381670852043; B1= 43e6; sigma = 0:12155937095413581933
| ECM efforts | |
|---|---|
| with Rn: 323 < n < 2000 (Jul 02, 2020) | with Rn: 1999 < n < 3000 (Feb 14, 2020) |
| with Rn: 2999 < n < 4000 (Jun 12, 2019) | with Rn: 3999 < n < 5000 (Jun 12, 2019) |
| with Rn: 4999 < n < 6000 (Mar 15, 2020) | with Rn: 5999 < n < 7000 (May 11, 2020) |
| with Rn: 6999 < n < 8000 (May 11, 2020) | with Rn: 7999 < n < 9000 (Jun 25, 2020) |
| with Rn: 8999 < n <10000 (Jul 04, 2020) | with Rn: 9999 < n <11000 (Jun 12, 2019) |
| with Rn: 10999 < n <12000 (Jun 12, 2019) | with Rn: 11999 < n <12501 (Mar 16, 2019) |
| currently ECM-efforts by yoyo@home: ecm-curves | |||||
|---|---|---|---|---|---|
| B1 = 43e6/8600 curves/ numbers < 1001 digits |
1233 working |
1235 working |
1251 working |
1255 working |
1257 working |
| B1 = 11e7/18400 curves/ numbers < 701 digits |
571 working |
577 working |
589 working |
593 working |
879 working |
| B1 = 26e7/46000 curves/ numbers < 450 digits |
467 working |
521 working |
1136 working |
1142 working |
1160 working |
| B1 = 85e7/75000 curves/ numbers < 250 digits |
471 working |
585 working |
609 working |
675 working |
735 working |
| Factorizations | |
|---|---|
| Repunits: R1 - R2500 (May 19, 2020) | Repunits: R2501 - R5000 (Feb 14, 2020) |
| Repunits: R5001 - R7500 (Apr 22, 2020) | Repunits: R7501 - R10000 (Jun 24, 2020) |
| Repunits: R10001 - R12500 (Jun 12, 2019) | Repunits: R12540LM - R14980LM (Apr 13, 2019) |
| Exponent | Primes/PRP found by ... |
| - 10ˆ20 | R19 = prime |
| - 10ˆ100 | R23 = prime |
| - 10ˆ1000 | R317 = prime |
| - 10ˆ10000 | R1031 = prime WD (Dec 1985) |
| - 10ˆ50000 | R49081 = PRP Harvey Dubner (Sep 1999) |
| - 10ˆ100000 | R86453 = PRP Lew Baxter (Oct 2000) |
| - 10ˆ250000 | R109297 = PRP Paul Bourdelais - Harvey Dubner (Apr 2007) |
| - 10ˆ500000 | R270343 = PRP Maksym Voznyy - Anton Budnyy (Jul 2007) |
| - 10ˆ 4197139 | no further probable primes |