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
46934089Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 273
TF target 272
P-1
B1 = 615000
B2 = 13991250
LL
StatusDateUserResidueShift
Verified2009-12-03curtiscFCD9989D4E9040C618870257
Verified2018-11-23kkmrkkblmbrbkFCD9989D4E9040C632618745
Verified2019-05-14Al TFCD9989D4E9040C629719840
History
DateUserTypeResult
2019-05-14Al TC-LL
FCD9989D4E9040C6
2018-11-23kkmrkkblmbrbkC-LL
FCD9989D4E9040C6
2017-10-30ktonyNF
no factor from 2^72 to 2^73
2015-11-20-Anonymous-NF
no factor from 2^71 to 2^72
2012-08-03David CampeauNF-PM1
B1=615000, B2=13991250, E=6
2012-06-28bcp19NF
no factor from 2^70 to 2^71
2009-12-03curtiscC-LL
FCD9989D4E9040C6