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
22928221Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 273
TF target 269
P-1
B1 = 245000
B2 = 3736250
LL
StatusDateUserResidueShift
Verified2005-02-02Richard HolmanEED03A78744674E611199176
Verified2009-11-29-Anonymous-EED03A78744674E61611365
History
DateUserTypeResult
2021-01-06-Anonymous-NF
no factor from 2^72 to 2^73
2021-01-06-Anonymous-NF
no factor from 2^71 to 2^72
2021-01-06-Anonymous-NF
no factor from 2^70 to 2^71
2017-07-16ramgeisNF
no factor from 2^69 to 2^70
2017-07-16ramgeisNF
no factor from 2^68 to 2^69
2017-04-10YxinityNF
no factor from 2^67 to 2^68
2009-11-29-Anonymous-C-LL
EED03A78744674E6
2008-11-19-Anonymous-NF-PM1
B1=245000, B2=3736250