Marin Mersenne 2^P-1
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Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

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MnStatusDetails
43477117Factored
FactorDigitsBitsDate
208034796333317563421932374.12021-02-22 23:57:07
LL
StatusDateUserResidueShift
Verified (Factored)2008-07-12Andrew Barlow30D8B76E00CA0DCA28557038
Verified (Factored)2016-08-19Mikhail E. Golosov30D8B76E00CA0DCA40334549
History
DateUserTypeResult
2021-02-22-Anonymous-F
Factor: 20803479633331756342193 / TF: 74-75*
2021-02-07Sid & AndyNF-PM1
B1=1000000, B2=20000000
2020-01-02-Anonymous-NF
no factor from 2^73 to 2^74
2019-09-30-Anonymous-NF
no factor from 2^72 to 2^73
2016-08-19Mikhail E. GolosovC-LL
30D8B76E00CA0DCA
2015-09-11-Anonymous-NF
no factor from 2^71 to 2^72
2015-09-11-Anonymous-NF
no factor from 2^70 to 2^71
2015-03-09LaurVNF
no factor from 2^69 to 2^70
2014-04-04Gordon SpenceNF
no factor from 2^68 to 2^69