Marin Mersenne 2^P-1
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Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

Exponent Range:










MnStatusDetails
47277001Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 273
TF target 272
P-1
B1 = 525000
B2 = 10893750
LL
StatusDateUserResidueShift
Verified2010-11-22curtisc77A0A40A8CACB38940556791
Verified2018-07-26Shnobel77A0A40A8CACB38932305053
History
DateUserTypeResult
2024-05-16James HeinrichNF
no factor from 2^68 to 2^69
2018-07-26ShnobelC-LL
77A0A40A8CACB389
2017-11-26NumberwangNF
no factor from 2^72 to 2^73
2013-07-06Architects CubedNF-PM1
B1=525000, B2=10893750, E=12
2013-05-31David CampeauNF
no factor from 2^71 to 2^72
2012-07-01bcp19NF
no factor from 2^70 to 2^71
2012-07-01bcp19NF
no factor from 2^69 to 2^70
2011-07-13Carsten KossendeyNF
no factor from 2^68 to 2^69
2010-11-22curtiscC-LL
77A0A40A8CACB389