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

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MnStatusDetails
134968909Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
218212620630115172243178472684.22024-09-06 06:48:55
P-1 factors
DateFactorB1B2
2024-09-06218212620630115172243178471110000907266030
History
DateUserTypeResult
2024-09-06Luke DurantF-PM1
Factor: 21821262063011517224317847 / (P-1, B1=1110000, B2=907266030)
2024-06-24Naegi MakotoNF
no factor from 2^69 to 2^70
2024-03-06voidfNF
no factor from 2^76 to 2^77
2024-02-27PoaoNF
no factor from 2^75 to 2^76
2023-01-06SRBaseNF
no factor from 2^74 to 2^75
2021-07-27SRBaseNF
no factor from 2^73 to 2^74
2020-10-22SRBaseNF
no factor from 2^72 to 2^73
2016-08-21ITSNF
no factor from 2^71 to 2^72
2016-08-16ITSNF
no factor from 2^70 to 2^71
2016-08-10DerekNF
no factor from 2^69 to 2^70
2016-08-09proxy2222NF
no factor from 2^68 to 2^69
2016-08-09proxy2222NF
no factor from 2^67 to 2^68
2015-01-24philNF
no factor from 2^66 to 2^67
2012-10-29tscNF
no factor from 2^65 to 2^66
2010-11-24abcNF
no factor from 2^64 to 2^65
2010-06-07sasaki3NF
no factor from 2^63 to 2^64