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
61506587TF
No factors below 274
TF target 274
P-1
B1 = 580000
B2 = 10730000
LL
StatusDateUserResidueShift
Verified2014-08-18AJ Harrington83B0BB609BD8B02A46397076
Verified2021-10-04-Anonymous-83B0BB609BD8B02A40682479
History
DateUserTypeResult
2021-10-04-Anonymous-C-LL
83B0BB609BD8B02A
2016-02-23Mark RoseNF
no factor from 2^62 to 2^63
2014-08-18AJ HarringtonC-LL
83B0BB609BD8B02A
2014-07-12Craig MeyersNF
no factor from 2^73 to 2^74
2013-04-19Massimo Cappelli (ik5pwa)NF-PM1
B1=580000, B2=10730000
2013-02-06MikeBerlinNF
no factor from 2^72 to 2^73
2013-02-06MikeBerlinNF
no factor from 2^71 to 2^72
2012-09-06Clown_RoyalNF
no factor from 2^70 to 2^71
2011-11-16-Anonymous-NF
no factor from 2^69 to 2^70
2010-01-06arnaudNF
no factor from 2^68 to 2^69
2009-10-20nailsssNF
no factor from 2^67 to 2^68
2009-08-02curtiscNF
no factor from 2^66 to 2^67
2009-07-25unconnectedNF
no factor from 2^65 to 2^66
2009-07-24unconnectedNF
no factor from 2^64 to 2^65
2009-04-10cnaTb_xo4yNF
no factor from 2^63 to 2^64