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
52017703Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 274
TF target 273
P-1
B1 = 840000
B2 = 840000
LL
StatusDateUserResidueShift
Verified2011-07-25Gregory Czajkowski8BFEA729FAE0A70C23666493
Verified2019-08-03d3zorg8BFEA729FAE0A70C4704403
History
DateUserTypeResult
2019-08-03d3zorgC-LL
8BFEA729FAE0A70C
2019-06-05lobsterfordinnerNF
no factor from 2^73 to 2^74
2016-01-20AirSquirrelsNF
no factor from 2^72 to 2^73
2015-12-18-Anonymous-NF
no factor from 2^71 to 2^72
2015-05-11Mark RoseNF
no factor from 2^70 to 2^71
2014-11-16NesowaNF
no factor from 2^69 to 2^70
2011-07-25Gregory CzajkowskiC-LL
8BFEA729FAE0A70C
2011-03-29Gregory CzajkowskiNF-PM1
B1=840000
2010-04-25-Anonymous-NF
no factor from 2^68 to 2^69
2009-04-23BranMuffinNF
no factor from 2^67 to 2^68
2008-12-05precius1NF
no factor from 2^66 to 2^67
2008-12-04precius1NF
no factor from 2^65 to 2^66
2008-12-03Harri JärviNF
no factor from 2^64 to 2^65
2008-10-29DerekNF
no factor to 2^64