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
29608721Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 274
TF target 270
P-1
B1 = 2000000
B2 = 2000019450
LL
StatusDateUserResidueShift
Verified2006-06-13Rob Greene297DBE4D9D81E7274592382
Verified2012-06-05-Anonymous-297DBE4D9D81E72721134297
History
DateUserTypeResult
2024-08-25timc995NF-PM1
B1=2000000, B2=2000019450
2021-09-16Architects CubedNF-PM1
B1=101000, B2=3324000
2021-09-10TheJudgerNF
no factor from 2^73 to 2^74
2021-08-24TheJudgerNF
no factor from 2^72 to 2^73
2021-08-22TheJudgerNF
no factor from 2^71 to 2^72
2020-10-13Architects CubedNF
no factor from 2^70 to 2^71
2012-06-05-Anonymous-C-LL
297DBE4D9D81E727
2012-03-22bcp19NF
no factor from 2^69 to 2^70
2012-02-02bcp19NF
no factor from 2^68 to 2^69