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

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MnStatusDetails
111470999Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
742080108435212855214781612685.92021-09-04 19:49:17
P-1 factors
DateFactorB1B2
2021-09-047420801084352128552147816145000004500000
History
DateUserTypeResult
2021-09-04Paul UnderwoodF-PM1
Factor: 74208010843521285521478161 / (P-1, B1=4500000)
2021-01-18arpcarNF
no factor from 2^76 to 2^77
2020-12-14arpcarNF
no factor from 2^75 to 2^76
2020-11-23arpcarNF
no factor from 2^74 to 2^75
2020-07-27jwnutterNF
no factor from 2^73 to 2^74
2020-04-20SRBaseNF
no factor from 2^72 to 2^73
2019-01-18Niels_Mache_NextcloudNF
no factor from 2^71 to 2^72
2015-07-28qwertyuio999NF
no factor from 2^70 to 2^71
2015-07-15arnaudNF
no factor from 2^69 to 2^70
2014-11-16SMoffatNF
no factor from 2^68 to 2^69
2014-11-08wombatmanNF
no factor from 2^67 to 2^68
2013-10-12Cow_tippingNF
no factor from 2^66 to 2^67
2012-05-28HardyP GermanyNF
no factor from 2^65 to 2^66
2010-09-22sasaki3NF
no factor from 2^64 to 2^65
2010-05-03sasaki3NF
no factor from 2^63 to 2^64