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
31710023Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 273
TF target 271
P-1
B1 = 390000
B2 = 10822500
LL
StatusDateUserResidueShift
Verified2009-05-16curtisc10ED838CA69E2F4814425629
Verified2013-10-18The Magic Forest10ED838CA69E2F487650066
History
DateUserTypeResult
2019-11-29-Anonymous-NF
no factor from 2^72 to 2^73
2019-11-29-Anonymous-NF
no factor from 2^71 to 2^72
2018-05-27ramgeisNF
no factor from 2^70 to 2^71
2013-10-18The Magic ForestC-LL
10ED838CA69E2F48
2013-04-06PhantomasNF
no factor from 2^69 to 2^70
2012-05-22NumberwangNF
no factor from 2^68 to 2^69
2011-05-27UngelovendeNF
no factor from 2^67 to 2^68
2009-05-16curtiscC-LL
10ED838CA69E2F48
2008-11-10Mr. P-1NF-PM1
B1=390000, B2=10822500