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

PrimeNet Exponent Status

Exponent Range:










MnStatusDetails
153459199No known factors, not tested for primality
TF
No factors below 278
TF target 278
P-1
B1 = 1282000
B2 = 1492570170
History
DateUserTypeResult
2025-03-12Simon JosefssonNF-PM1
B1=1282000, B2=1492570170
2025-02-22ElectricBillNF
no factor from 2^77 to 2^78
2024-12-29Joe S.NF
no factor from 2^76 to 2^77
2024-08-07SRBaseNF
no factor from 2^75 to 2^76
2024-07-20Jarod McClintockNF
no factor from 2^72 to 2^73
2023-02-16SRBaseNF
no factor from 2^74 to 2^75
2021-11-29SRBaseNF
no factor from 2^73 to 2^74
2017-12-16BigHeadScientistNF
no factor from 2^72 to 2^73
2017-06-11Sergey NosovNF
no factor from 2^70 to 2^72
2017-05-30La GüiraNF
no factor from 2^69 to 2^70
2017-02-26XolotlNF
no factor from 2^68 to 2^69
2016-04-26James HintzNF
no factor from 2^67 to 2^68
2015-05-13guruNF
no factor from 2^66 to 2^67
2013-01-26ALSNF
no factor from 2^65 to 2^66
2011-01-19Charles A. MorrisNF
no factor from 2^64 to 2^65
2010-06-24carlos56NF
no factor from 2^63 to 2^64