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
1907Factored
FactorDigitsBitsDate
16856964161434782985791532580.5old
549579229567201980511856813160299324944611143142.02008-11-22 12:25:27
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified (Factored)2017-11-16kkmrkkblmbrbkPRP_PRP_PRP_PRP_2128613
History
DateUserTypeResult
2017-11-16kkmrkkblmbrbkP-PRP
M1907/1685696416143478298579153/5495792295672019805118568131602993249446111 is a probable prime.
2008-11-22-Anonymous-F-ECM
Factor: 5495792295672019805118568131602993249446111