Marin Mersenne 2^P-1
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GIMPS
Finding World Record Primes Since 1996

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MnStatusDetails
29838121Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
6341440667712364841909301740093099.02022-01-04 16:28:52
LL
StatusDateUserResidueShift
Verified (Factored)2005-09-22C. Cooper / S. Boone6428D535CC481A8923610773
Verified (Factored)2012-08-07Scotch6428D535CC481A89548565
P-1 factors
DateFactorB1B2
2022-01-046341440667712364841909301740091750000410581710
History
DateUserTypeResult
2022-01-04Oliver KruseF-PM1
Factor: 634144066771236484190930174009 / (P-1, B1=1750000, B2=410581710)
2021-10-04TheJudgerNF
no factor from 2^74 to 2^75
2021-09-10TheJudgerNF
no factor from 2^73 to 2^74
2021-07-14Sid & AndyNF
no factor from 2^72 to 2^73
2021-03-30Sid & AndyNF
no factor from 2^71 to 2^72
2018-08-24monstNF
no factor from 2^70 to 2^71
2012-08-07ScotchC-LL
6428D535CC481A89
2012-02-20bcp19NF
no factor from 2^69 to 2^70
2012-02-09megavinkNF
no factor from 2^68 to 2^69