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
145221943No known factors, not tested for primality
TF
No factors below 277
TF target 277
P-1
B1 = 1279000
B2 = 1537611240
History
DateUserTypeResult
2025-02-24ihnlNF
no factor from 2^76 to 2^77
2024-10-12Luke DurantNF-PM1
B1=1279000, B2=1537611240
2024-07-23SRBaseNF
no factor from 2^75 to 2^76
2023-01-28SRBaseNF
no factor from 2^74 to 2^75
2021-11-29SRBaseNF
no factor from 2^73 to 2^74
2020-10-25SRBaseNF
no factor from 2^72 to 2^73
2016-11-23guruNF
no factor from 2^71 to 2^72
2016-11-23Smok_bmv NF
no factor from 2^70 to 2^71
2016-11-21Smok_bmv NF
no factor from 2^69 to 2^70
2016-11-16Smok_bmv NF
no factor from 2^68 to 2^69
2016-03-30DerekNF
no factor from 2^67 to 2^68
2015-03-04vwflat4NF
no factor from 2^66 to 2^67
2012-12-28RichardNF
no factor from 2^65 to 2^66
2010-12-26vapaddyNF
no factor from 2^64 to 2^65
2010-06-19Mr-PlonkNF
no factor from 2^63 to 2^64