Marin Mersenne 2^P-1
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Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

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MnStatusDetails
843701923Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
211895120704398402431212374.22024-06-19 06:45:59
History
DateUserTypeResult
2025-05-15Jarod McClintockF
Factor: 21189512070439840243121 / TF: 74-75
2024-06-19SRBaseF
Factor: 21189512070439840243121 / TF: 74-75*
2022-12-04SRBaseNF
no factor from 2^73 to 2^74
2021-06-11SRBaseNF
no factor from 2^72 to 2^73
2020-10-13SRBaseNF
no factor from 2^71 to 2^72
2019-09-20srow7NF
no factor from 2^70 to 2^71
2017-02-08ramgeisNF
no factor from 2^68 to 2^70
2015-08-13sasakiNF
no factor from 2^67 to 2^68
2015-02-07sasakiNF
no factor from 2^66 to 2^67
2013-08-15america64NF
no factor from 2^65 to 2^66
2010-10-08Architects CubedNF
no factor from 2^64 to 2^65
2010-04-08Architects CubedNF
no factor from 2^63 to 2^64