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
44708813Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 274
TF target 272
P-1
B1 = 520000
B2 = 9880000
LL
StatusDateUserResidueShift
Verified2010-08-18Choi4KANGC7A31CF3BFBD972A24296162
Verified2018-07-24Jon PaceC7A31CF3BFBD972A41671340
History
DateUserTypeResult
2024-06-20James HeinrichNF
no factor from 2^69 to 2^70
2019-11-10Sid & AndyNF
no factor from 2^73 to 2^74
2018-07-24Jon PaceC-LL
C7A31CF3BFBD972A
2018-03-15Matthias WurtingerNF
no factor from 2^72 to 2^73
2016-06-27Adam BuranNF
no factor from 2^6 to 2^60
2015-10-09-Anonymous-NF
no factor from 2^71 to 2^72
2015-09-27VictordeHollanderNF
no factor from 2^70 to 2^71
2015-07-30Carsten KossendeyNF
no factor from 2^69 to 2^70
2014-06-29VictordeHollanderNF
no factor from 2^68 to 2^69
2010-08-18Choi4KANGC-LL
C7A31CF3BFBD972A
2009-02-25-Anonymous-NF-PM1
B1=520000, B2=9880000