Marin Mersenne 2^P-1
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Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

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Exponent Range:










MnStatusDetails
9574189Factored
FactorDigitsBitsDate
20488764471030.9old
41360496491031.92008-09-08 05:32:55
126379294811133.62008-09-08 05:32:55
15593481624311340.52008-09-08 05:32:56
59545902550391342.42008-09-30 23:57:43
524060001303710960812065.52018-12-19 12:48:31
596615281854889218732065.72019-03-21 14:11:21
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified (Factored)2019-08-09nordiF625F265E9F887FE1013
Verified2019-09-26ATH524B605DFC698BE9744887953
Verified2020-12-13Oliver Kruse524B605DFC698BE9756887953
P-1 factors
DateFactorB1B2
2022-06-2099442587526133721766374572715775936692311906709513328720000004660145490
History
DateUserTypeResult
2022-11-28LordJuliusNF
no factor from 2^68 to 2^69
2022-11-11LordJuliusNF
no factor from 2^67 to 2^68
2022-11-11LordJuliusNF
no factor from 2^66 to 2^67
2022-11-11LordJuliusNF
no factor from 2^65 to 2^66
2022-11-11LordJuliusNF
no factor from 2^64 to 2^65
2022-06-20ThaF-PM1
Factor: 994425875261337217663745727157759366923119067095133287 / (P-1, B1=2000000, B2=4660145490)
2021-08-26Seth_TrNF-PM1
B1=360000, B2=21960000
2020-12-13Albrecht HeefferCERT
PRP Certification
Proof certified good
2020-12-13Oliver KruseC-PRP
M9574189/2048876447/4136049649/12637929481/1559348162431/5954590255039/52406000130371096081/59661528185488921873 : 524B605DFC698BE9
PRP proof power = 8
PRP: Verified
Proof certified good
2019-09-26ATHC-PRP
M9574189/2048876447/4136049649/12637929481/1559348162431/5954590255039/52406000130371096081/59661528185488921873 : 524B605DFC698BE9
PRP: Verified
PRP without proof (not generated)
2019-08-09nordiC-PRP
M9574189/known_factors : F625F265E9F887FE
PRP: Verified
PRP without proof (not generated)
2019-03-21TJAOIF
Factor: 59661528185488921873 / TF: 65-66
2018-12-19TJAOIF
Factor: 52406000130371096081 / TF: 65-66
2008-09-30markrF
Factor: 5954590255039
2008-09-08Will EdgingtonF
Factor: 1559348162431
2008-09-08Will EdgingtonF
Factor: 12637929481
2008-09-08Will EdgingtonF
Factor: 4136049649