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
41869013Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 274
TF target 272
P-1
B1 = 405000
B2 = 2126250
LL
StatusDateUserResidueShift
Verified2008-04-04Alan Lemm28B8522C8C92D24222159326
Verified2016-07-22-Anonymous-28B8522C8C92D2425197254
History
DateUserTypeResult
2024-06-14James HeinrichNF
no factor from 2^68 to 2^69
2020-01-10-Anonymous-NF
no factor from 2^73 to 2^74
2019-10-04-Anonymous-NF
no factor from 2^72 to 2^73
2016-07-22-Anonymous-C-LL
28B8522C8C92D242
2015-08-22-Anonymous-NF
no factor from 2^71 to 2^72
2015-02-17Mark RoseNF
no factor from 2^70 to 2^71
2015-01-10LaurVNF
no factor from 2^69 to 2^70
2013-12-10Carsten KossendeyNF
no factor from 2^68 to 2^69