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
70184531Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 275
TF target 274
P-1
B1 = 685000
B2 = 15070000
LL
StatusDateUserResidueShift
Verified2015-01-15-Anonymous-21EB69EBE78499CA14553458
Verified2024-02-10RobertKazan21EB69EBE78499CA55714709
History
DateUserTypeResult
2024-02-10RobertKazanC-LL
21EB69EBE78499CA
2016-09-23monstNF
no factor from 2^74 to 2^75
2015-01-15-Anonymous-C-LL
21EB69EBE78499CA
2014-10-09ChuckNF
no factor from 2^73 to 2^74
2014-10-05TheJudgerNF-PM1
B1=685000, B2=15070000, E=12
2014-09-21RichD0NF
no factor from 2^72 to 2^73
2014-09-03srow7NF
no factor from 2^71 to 2^72
2009-07-16ahmeraliNF
no factor to 2^71