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

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MnStatusDetails
144989149Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
16165211807516313625599192580.42024-10-12 13:21:48
P-1 factors
DateFactorB1B2
2024-10-121616521180751631362559919833000833000
History
DateUserTypeResult
2024-10-12Ryan PropperF-PM1
Factor: 1616521180751631362559919 / (P-1, B1=833000)
2024-10-10JacobZNF
no factor from 2^76 to 2^77
2024-07-19SRBaseNF
no factor from 2^75 to 2^76
2022-12-28LordJuliusNF
no factor from 2^74 to 2^75
2021-11-12SRBaseNF
no factor from 2^73 to 2^74
2020-10-25SRBaseNF
no factor from 2^72 to 2^73
2016-11-25storm5510NF
no factor from 2^71 to 2^72
2016-11-25storm5510NF
no factor from 2^70 to 2^71
2016-11-23nate.andersNF
no factor from 2^69 to 2^70
2016-11-18nate.andersNF
no factor from 2^68 to 2^69
2016-03-28DerekNF
no factor from 2^67 to 2^68
2015-03-03tscNF
no factor from 2^66 to 2^67
2012-12-21Charles A. MorrisNF
no factor from 2^65 to 2^66
2010-12-25sasaki3NF
no factor from 2^64 to 2^65
2010-06-19Mr-PlonkNF
no factor from 2^63 to 2^64