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

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MnStatusDetails
2701411Composite, with 2 known prime factors. Cofactor is composite.
Factored
FactorDigitsBitsDate
886062809929.7old
618053863355521135612065.72019-04-16 12:31:47
ECM
DigitsB1Curves
255000070 / 280
Estimated T-Level: 21.3
TF below 2^66 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified (Factored)2017-10-19Oliver KruseC430CADD23A59E80170685353
Verified (Factored)2017-12-05kkmrkkblmbrbkC430CADD23A59E80172200653
Verified2019-04-16ATHC430CADD23A59E80226948153
History
DateUserTypeResult
2022-09-12USAFSSNF-PM1
B1=272000, B2=237324780
2019-04-16ATHC-PRP
M2701411/886062809/61805386335552113561 : C430CADD23A59E80
PRP: Verified
PRP without proof (not generated)
2019-04-16TJAOIF
Factor: 61805386335552113561 / TF: 65-66
2017-12-05kkmrkkblmbrbkC-PRP
M2701411/886062809 : C430CADD23A59E80
PRP: Verified
PRP without proof (not generated)
2017-10-19Oliver KruseC-PRP
M2701411/886062809 : C430CADD23A59E80
PRP: Verified
PRP without proof (not generated)