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
44429369Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 274
TF target 272
P-1
B1 = 470000
B2 = 3877500
LL
StatusDateUserResidueShift
Verified2008-11-09lindedB572B587978F113126653094
Verified2016-11-30MikeB572B587978F11311082129
Verified2017-06-12SmileyfaceB572B587978F11316503420
History
DateUserTypeResult
2024-06-19James HeinrichNF
no factor from 2^69 to 2^70
2022-04-10TheJudgerNF
no factor from 2^73 to 2^74
2022-04-10TheJudgerNF
no factor from 2^72 to 2^73
2017-06-12SmileyfaceC-LL
B572B587978F1131
2016-11-30MikeC-LL
B572B587978F1131
2015-10-02-Anonymous-NF
no factor from 2^71 to 2^72
2015-10-02-Anonymous-NF
no factor from 2^70 to 2^71
2015-07-08Carsten KossendeyNF
no factor from 2^69 to 2^70
2014-02-09LaurVNF
no factor from 2^68 to 2^69
2008-11-09lindedC-LL
B572B587978F1131