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
52038157TF
No factors below 273
TF target 273
P-1
B1 = 505000
B2 = 10352500
LL
StatusDateUserResidueShift
Verified2012-10-25a4sB89E5EF13417307E31065753
Verified2019-04-03Alexander TsupkoB89E5EF13417307E2131408
History
DateUserTypeResult
2019-04-03Alexander TsupkoC-LL
B89E5EF13417307E
2016-01-19AirSquirrelsNF
no factor from 2^72 to 2^73
2012-10-25a4sC-LL
B89E5EF13417307E
2011-12-26Jerry HallettNF-PM1
B1=505000, B2=10352500, E=6
2011-12-08ChuckNF
no factor from 2^71 to 2^72
2011-12-05Kevin JagetNF
no factor from 2^70 to 2^71
2011-11-26Kyle AskineNF
no factor from 2^69 to 2^70
2010-04-04ianpelNF
no factor from 2^68 to 2^69
2009-04-24SAHS Math DeptNF
no factor from 2^67 to 2^68
2008-12-06S36049NF
no factor from 2^66 to 2^67
2008-12-05S36049NF
no factor from 2^65 to 2^66
2008-12-04oodairaNF
no factor from 2^64 to 2^65
2008-10-15DerekNF
no factor to 2^64