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

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MnStatusDetails
3450047Composite, with 3 known prime factors. Cofactor is composite.
Factored
FactorDigitsBitsDate
358804889928.4old
1043294212811236.62008-09-07 19:49:16
137117065766173211753.62014-10-01 11:57:00
ECM
DigitsB1Curves
25500003 / 280
Estimated T-Level: 20.1 ⓘ
TF below 2^62 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified2017-11-06kkmrkkblmbrbkDAB5B165F635ED46323173553
Verified2017-11-22Oliver KruseDAB5B165F635ED463147970253
History
DateUserTypeResult
2022-07-01LordJuliusNF
no factor from 2^65 to 2^66
2022-07-01LordJuliusNF
no factor from 2^64 to 2^65
2022-07-01LordJuliusNF
no factor from 2^63 to 2^64
2022-07-01LordJuliusNF
no factor from 2^62 to 2^63
2022-01-08JossNF-PM1
B1=1050000, B2=111642300
2021-08-08JossNF
no factor from 2^67 to 2^68
2020-11-19JossNF-PM1
B1=345004, B2=3450047, E=6
2017-11-22Oliver KruseC-PRP
M3450047/358804889/104329421281/13711706576617321 : DAB5B165F635ED46
PRP: Verified
PRP without proof (not generated)
2017-11-06kkmrkkblmbrbkC-PRP
M3450047/358804889/104329421281/13711706576617321 : DAB5B165F635ED46
PRP: Verified
PRP without proof (not generated)
2014-10-01TJAOIF
Factor: 13711706576617321 / TF: 53-54
2008-09-07Will EdgingtonF
Factor: 104329421281