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
43302163Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 276
TF target 272
P-1
B1 = 445000
B2 = 5451250
LL
StatusDateUserResidueShift
Verified2010-10-04-Anonymous-8E2F0CA469090CD732933666
Verified2016-09-17Mikhail E. Golosov8E2F0CA469090CD724030947
History
DateUserTypeResult
2021-03-06-Anonymous-NF
no factor from 2^75 to 2^76
2021-03-03-Anonymous-NF
no factor from 2^74 to 2^75
2019-12-30-Anonymous-NF
no factor from 2^73 to 2^74
2019-09-30-Anonymous-NF
no factor from 2^72 to 2^73
2016-09-17Mikhail E. GolosovC-LL
8E2F0CA469090CD7
2015-09-18-Anonymous-NF
no factor from 2^71 to 2^72
2015-09-18-Anonymous-NF
no factor from 2^70 to 2^71
2015-03-14chalsallNF
no factor from 2^69 to 2^70
2010-10-04-Anonymous-C-LL
8E2F0CA469090CD7
2010-09-29-Anonymous-NF-PM1
B1=445000, B2=5451250
2010-09-29-Anonymous-NF
no factor to 2^69