Marin Mersenne 2^P-1
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Finding World Record Primes Since 1996

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MnStatusDetails
61001107Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
275868997169643095816624892684.52019-05-18 22:03:34
LL
StatusDateUserResidueShift
Verified (Factored)2012-05-13Mario TranquilliniFFF3C7ACD445108C54929353
Verified (Factored)2012-06-27Roman MaznichenkoFFF3C7ACD445108C0
P-1 factors
DateFactorB1B2
2019-05-1827586899716964309581662489180000041000000
History
DateUserTypeResult
2019-05-18mikrF-PM1
Factor: 27586899716964309581662489 / (P-1, B1=1800000, B2=41000000, E=6)
2016-02-23Mark RoseNF
no factor from 2^62 to 2^63
2016-02-22monstNF
no factor from 2^73 to 2^74
2012-06-27Roman MaznichenkoC-LL
FFF3C7ACD445108C
2012-05-13Mario TranquilliniC-LL
FFF3C7ACD445108C
2011-12-18Smok_bmv NF-PM1
B1=555000, B2=8880000
2011-10-15RichD0NF
no factor from 2^72 to 2^73
2011-10-15RichD0NF
no factor from 2^71 to 2^72
2011-10-15RichD0NF
no factor from 2^70 to 2^71
2011-10-15RichD0NF
no factor from 2^69 to 2^70
2009-07-11Geoff WingNF
no factor from 2^68 to 2^69
2009-04-11lindedNF
no factor from 2^67 to 2^68
2009-04-08lindedNF
no factor from 2^66 to 2^67
2009-04-04lindedNF
no factor from 2^65 to 2^66
2009-04-02-Anonymous-NF
no factor from 2^64 to 2^65
2009-04-01-Anonymous-NF
no factor from 2^63 to 2^64