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
42371239TF
No factors below 274
TF target 272
P-1
B1 = 380000
B2 = 1900000
LL
StatusDateUserResidueShift
Verified2010-04-21Kevin Jaget25B2BE9B04965CF938423817
Verified2016-06-22curtisc25B2BE9B04965CF928053936
History
DateUserTypeResult
2020-01-03-Anonymous-NF
no factor from 2^73 to 2^74
2019-10-04-Anonymous-NF
no factor from 2^72 to 2^73
2016-06-22curtiscC-LL
25B2BE9B04965CF9
2015-10-25AirSquirrelsNF
no factor from 2^71 to 2^72
2015-03-08Mark RoseNF
no factor from 2^70 to 2^71
2015-02-06chalsallNF
no factor from 2^69 to 2^70
2010-04-21Kevin JagetC-LL
25B2BE9B04965CF9