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
52855631TF
No factors below 274
TF target 273
P-1
B1 = 625000
B2 = 18281250
LL
StatusDateUserResidueShift
Verified2012-08-17Rob Sartain0640C38ADB0124183070578
Verified2020-06-28frolyar0640C38ADB0124189291715
History
DateUserTypeResult
2020-06-28frolyarC-LL
0640C38ADB012418
2019-07-10-Anonymous-NF
no factor from 2^73 to 2^74
2016-02-08AirSquirrelsNF
no factor from 2^72 to 2^73
2012-08-17Rob SartainC-LL
0640C38ADB012418
2012-02-10Roy OswaldNF
no factor from 2^71 to 2^72
2011-11-28Tom DuellNF
no factor from 2^70 to 2^71
2011-11-17Tom DuellNF
no factor from 2^69 to 2^70
2010-07-30PrimeCruncherNF
no factor from 2^68 to 2^69
2010-07-27oodairaNF-PM1
B1=625000, B2=18281250
2009-04-27jpa3NF
no factor from 2^67 to 2^68
2008-12-22arnaudNF
no factor from 2^66 to 2^67
2008-12-17arnaudNF
no factor from 2^65 to 2^66
2008-12-13Sturle SundeNF
no factor from 2^64 to 2^65
2008-11-19DerekNF
no factor to 2^64