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
55563161TF
No factors below 274
TF target 273
P-1
B1 = 550000
B2 = 11550000
LL
StatusDateUserResidueShift
Verified2012-10-24ToddBB3BB3D970E97A986828688
Verified2021-01-25Andrey MitrofanovBB3BB3D970E97A9846125473
History
DateUserTypeResult
2021-01-25Andrey MitrofanovC-LL
BB3BB3D970E97A98
2019-05-20ChuckNF
no factor from 2^73 to 2^74
2016-01-23-Anonymous-NF
no factor from 2^72 to 2^73
2012-10-24ToddC-LL
BB3BB3D970E97A98
2012-07-10Brian ChanNF-PM1
B1=550000, B2=11550000, E=6
2012-06-18Kevin JagetNF
no factor from 2^71 to 2^72
2012-04-28XyzzyNF
no factor from 2^70 to 2^71
2011-06-14cnaTb_xo4yNF
no factor from 2^69 to 2^70
2011-04-10-Anonymous-NF
no factor from 2^68 to 2^69
2009-05-20aEricNF
no factor from 2^67 to 2^68
2009-01-11kutensNF
no factor from 2^66 to 2^67
2009-01-09kutensNF
no factor from 2^65 to 2^66
2009-01-09arnaudNF
no factor from 2^64 to 2^65
2008-07-21-Anonymous-NF
no factor to 2^64