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
457739Factored
FactorDigitsBitsDate
915479619.8old
8239303723.02008-07-21 09:19:42
326825647928.32008-07-21 09:19:42
4083626940711238.62008-07-21 09:19:42
7389482082171239.42008-07-21 09:19:42
36055415236275431651.72014-07-07 11:47:51
3359600307990436590558972478.22014-12-11 11:40:30
11599600853100578218245192579.92014-12-11 11:40:30
1435297529831896355476998972786.92014-12-11 11:40:30
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
3510000001566 / 1566
4030000001324 / 4588
Estimated T-Level: 36.4
TF below 2^116 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2017-09-27Oliver KruseC6E834A8BB15229A9013
Verified2017-10-18kkmrkkblmbrbkC6E834A8BB15229A934338613
Unverified (Reliable)2020-04-18Oliver Kruse75A18462BB53E9__916851453
P-1 factors
DateFactorB1B2
2014-12-1111599600853100578218245193000000100000000
2014-12-111435297529831896355476998973000000100000000
2014-12-113359600307990436590558973000000100000000
History
DateUserTypeResult
2022-11-16LordJuliusNF
no factor from 2^63 to 2^64
2022-11-16LordJuliusNF
no factor from 2^62 to 2^63
2022-11-16LordJuliusNF
no factor from 2^61 to 2^62
2022-11-16LordJuliusNF
no factor from 2^60 to 2^61
2022-11-16LordJuliusNF
no factor from 2^59 to 2^60
2021-12-22Seth_TrNF-PM1
B1=1000000000, B2=1009340882550
2021-10-11nordiNF-PP1
Start=6/5, B1=200000000, B2=20000000000
2021-10-02nordiNF-PP1
Start=2/7, B1=200000000, B2=20000000000
2021-05-25Seth_TrNF-PM1
B1=1000000000, B2=211000000000
2021-03-03Seth_TrNF-PM1
B1=260000000, B2=44460000000
2020-04-18Oliver KruseC-PRP
M457739/915479/8239303/326825647/408362694071/738948208217/3605541523627543/335960030799043659055897/1159960085310057821824519/143529752983189635547699897 : 75A18462BB53E9__
PRP: Unverified (Reliable)
PRP without proof (small exponent)
2018-02-16KrieselNF
no factor from 2^70 to 2^71
2017-11-25ATHNF-PM1
B1=200000000, B2=10000000000, E=12
2017-11-01ATHNF
no factor from 2^69 to 2^70
2017-11-01ATHNF
no factor from 2^68 to 2^69
2017-11-01ATHNF
no factor from 2^67 to 2^68
2017-11-01ATHNF
no factor from 2^66 to 2^67
2017-11-01ATHNF
no factor from 2^65 to 2^66
2017-11-01ATHNF
no factor from 2^52 to 2^64
2017-10-23Oliver KruseNF
no factor from 2^64 to 2^65
2017-10-18kkmrkkblmbrbkC-PRP
M457739/915479/326825647/408362694071/738948208217/8239303/3605541523627543/1159960085310057821824519/143529752983189635547699897/335960030799043659055897 : C6E834A8BB15229A
PRP: Unverified (Reliable)
PRP without proof (small exponent)
2017-09-27Oliver KruseC-PRP
M457739/915479/326825647/408362694071/738948208217/8239303/3605541523627543/1159960085310057821824519/143529752983189635547699897/335960030799043659055897 : C6E834A8BB15229A
PRP: Unverified (Reliable)
PRP without proof (not generated)
2017-09-25Oliver KruseC-PRP
M457739/915479/326825647/408362694071/738948208217/8239303/3605541523627543/1159960085310057821824519/143529752983189635547699897/335960030799043659055897 : C6E834A8BB15229A
PRP without proof (not generated)
2014-12-11alpertronF-PM1
Factor: 55933577173325237599028240470446240799405168816072183851054388505748830071 / (P-1, B1=3000000, B2=100000000, E=12)
2014-07-07TJAOIF
Factor: 3605541523627543
2008-07-21J FeitsmaF
Factor: 8239303
2008-07-21J FeitsmaF
Factor: 738948208217
2008-07-21J FeitsmaF
Factor: 408362694071
2008-07-21J FeitsmaF
Factor: 326825647