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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MnStatusDetails
152723213Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
421684178039180285020012375.22024-08-06 09:23:49
History
DateUserTypeResult
2025-06-06GregF
Factor: 42168417803918028502001 / TF: 75-76
2024-08-06SRBaseF
Factor: 42168417803918028502001 / TF: 75-76*
2023-02-11SRBaseNF
no factor from 2^74 to 2^75
2021-11-14SRBaseNF
no factor from 2^73 to 2^74
2017-04-27glennpatNF
no factor from 2^72 to 2^73
2017-04-25glennpatNF
no factor from 2^71 to 2^72
2017-04-23BigHeadScientistNF
no factor from 2^70 to 2^71
2017-04-22La GüiraNF
no factor from 2^69 to 2^70
2017-02-24debrouxlNF
no factor from 2^68 to 2^69
2016-04-24James HintzNF
no factor from 2^67 to 2^68
2015-04-01vwflat4NF
no factor from 2^66 to 2^67
2013-01-24SaraNF
no factor from 2^65 to 2^66
2011-01-17Charles A. MorrisNF
no factor from 2^64 to 2^65
2010-07-181997rj7NF
no factor from 2^63 to 2^64