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
30198901Factored
FactorDigitsBitsDate
14921872854572466113772635590143133106.92020-08-02 15:59:46
LL
StatusDateUserResidueShift
Bad2007-02-05Craig SingerC599E3EB83F2B55019520748
Verified (Factored)2012-09-24-Anonymous-72EF576DEF0DD0017383646
Verified (Factored)2012-10-05Signals72EF576DEF0DD00120748222
P-1 factors
DateFactorB1B2
2020-08-0214921872854572466113772635590143165062713012540
History
DateUserTypeResult
2020-08-02GdSF-PM1
Factor: 149218728545724661137726355901431 / (P-1, B1=650627, B2=13012540, E=12)
2020-04-14-Anonymous-NF
no factor from 2^73 to 2^74
2019-12-13-Anonymous-NF
no factor from 2^72 to 2^73
2019-12-13-Anonymous-NF
no factor from 2^71 to 2^72
2017-07-05ramgeisNF
no factor from 2^70 to 2^71
2013-11-26NesowaNF
no factor from 2^69 to 2^70
2012-10-05SignalsC-LL
72EF576DEF0DD001
2012-09-24-Anonymous-C-LL
72EF576DEF0DD001
2012-02-17XyzzyNF
no factor from 2^68 to 2^69