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
41721061TF
No factors below 276
TF target 272
P-1
B1 = 375000
B2 = 1875000
LL
StatusDateUserResidueShift
Verified2008-09-16Stephan Grupp5DC677DB1C8708E824521868
Verified2017-08-03-Anonymous-5DC677DB1C8708E88365723
History
DateUserTypeResult
2021-02-12-Anonymous-NF
no factor from 2^75 to 2^76
2021-02-06-Anonymous-NF
no factor from 2^74 to 2^75
2019-12-31-Anonymous-NF
no factor from 2^73 to 2^74
2019-10-11-Anonymous-NF
no factor from 2^72 to 2^73
2017-08-03-Anonymous-C-LL
5DC677DB1C8708E8
2015-08-22-Anonymous-NF
no factor from 2^71 to 2^72
2015-02-12Mark RoseNF
no factor from 2^70 to 2^71
2015-01-27blipNF
no factor from 2^69 to 2^70