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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MnStatusDetails
2679139Composite, with 5 known prime factors. Cofactor is composite.
Factored
FactorDigitsBitsDate
5347615026791239.0old
2028584520331431547.52008-09-30 14:37:31
2493477721518471547.82014-03-18 12:48:40
1513489291460337174712167.02019-06-14 05:51:34
157102878844536957672712373.72024-06-24 21:36:06
ECM
DigitsB1Curves
2550000124 / 280
Estimated T-Level: 22.2
TF below 2^69 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified (Factored)2017-10-19Oliver Kruse107684CF6E976B733220679553
Verified (Factored)2017-12-03kkmrkkblmbrbk107684CF6E976B73331925653
Verified (Factored)2019-06-14Niels_Mache_Nextcloud107684CF6E976B734141630553
Verified2024-06-24TBBnozomi107684CF6E976B735194756353
P-1 factors
DateFactorB1B2
2019-06-14151348929146033717471200000060000000
History
DateUserTypeResult
2024-06-25Zoltan KiralyCERT
PRP Certification
Proof certified good
2024-06-24TBBnozomiC-PRP
M2679139/534761502679/202858452033143/249347772151847/151348929146033717471/15710287884453695767271 : 107684CF6E976B73
PRP proof power = 7
PRP: Verified
Proof certified good
2024-06-24TBBnozomiF-ECM
Factor: 15710287884453695767271 / (ECM curve 36, B1=50000, B2=17050000, Edwards Sigma=5075331986730316)
2019-06-14Niels_Mache_NextcloudC-PRP
M2679139/534761502679/202858452033143/249347772151847/151348929146033717471 : 107684CF6E976B73
PRP: Verified (Factored)
PRP without proof (not generated)
2019-06-14alpertronF-PM1
Factor: 151348929146033717471 / (P-1, B1=2000000, B2=60000000, E=12)
2017-12-03kkmrkkblmbrbkC-PRP
M2679139/534761502679/202858452033143/249347772151847 : 107684CF6E976B73
PRP: Verified (Factored)
PRP without proof (not generated)
2017-10-19Oliver KruseC-PRP
M2679139/534761502679/202858452033143/249347772151847 : 107684CF6E976B73
PRP: Verified (Factored)
PRP without proof (not generated)
2014-03-18TJAOIF
Factor: 249347772151847
2008-09-30markrF
Factor: 202858452033143