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

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Exponent Range:










MnStatusDetails
148453727No known factors, not tested for primality
TF
No factors below 277
TF target 277
P-1
B1 = 906000
B2 = 92161440
History
DateUserTypeResult
2025-01-10NStormNF
no factor from 2^76 to 2^77
2024-10-31Ryan PropperNF-PM1
B1=906000, B2=92161440
2024-07-31SRBaseNF
no factor from 2^75 to 2^76
2023-02-03SRBaseNF
no factor from 2^74 to 2^75
2021-11-12SRBaseNF
no factor from 2^73 to 2^74
2017-06-04StyMNF
no factor from 2^72 to 2^73
2017-06-04StyMNF
no factor from 2^71 to 2^72
2017-06-04StyMNF
no factor from 2^70 to 2^71
2017-03-20YxinityNF
no factor from 2^69 to 2^70
2017-03-20YxinityNF
no factor from 2^68 to 2^69
2016-04-02DerekNF
no factor from 2^67 to 2^68
2015-03-11Jason UNF
no factor from 2^66 to 2^67
2013-01-05Charles A. MorrisNF
no factor from 2^65 to 2^66
2011-01-09RichardNF
no factor from 2^64 to 2^65