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

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MnStatusDetails
3017671Factored
FactorDigitsBitsDate
78414938103418013100792272.72010-10-16 04:36:53
ECM
DigitsB1Curves
25500003 / 280
Estimated T-Level: 20.1 ⓘ
TF below 2^62 is very unlikely to find new factors due to ECM effort.
LL
StatusDateUserResidueShift
Verified (Factored)Jani Launonen750E76E4DA3582500
Verified (Factored)1999-06-06Andy Kohler750E76E4DA3582502077897
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified2017-10-27Oliver Kruse1FEBAA9D10009559113631753
Verified2017-12-10kkmrkkblmbrbk1FEBAA9D100095591141095253
History
DateUserTypeResult
2022-03-10LordJuliusNF
no factor from 2^64 to 2^65
2022-03-10LordJuliusNF
no factor from 2^63 to 2^64
2022-03-10LordJuliusNF
no factor from 2^62 to 2^63
2022-01-22JossNF-PM1
B1=1000000, B2=119912100
2021-12-22JossNF
no factor from 2^68 to 2^69
2021-03-14JossNF
no factor from 2^67 to 2^68
2021-03-13JossNF
no factor from 2^66 to 2^67
2021-03-13JossNF
no factor from 2^65 to 2^66
2020-10-09JossNF-PM1
B1=301767, B2=3017671, E=6
2017-12-10kkmrkkblmbrbkC-PRP
M3017671/7841493810341801310079 : 1FEBAA9D10009559
PRP: Verified
PRP without proof (not generated)
2017-10-27Oliver KruseC-PRP
M3017671/7841493810341801310079 : 1FEBAA9D10009559
PRP: Verified
PRP without proof (not generated)
2010-10-16markrF-PM1
Factor: 7841493810341801310079
2010-09-18Sid & AndyNF
no factor from 2^61 to 2^62
2009-01-30Jayson KingNF
no factor from 2^60 to 2^61