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
4698677Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 273
TF target 265
P-1
B1 = 4200000
B2 = 10880984400
ECM
DigitsB1Curves
2550000104 / 280
Estimated T-Level: 21.9 ⓘ
LL
StatusDateUserResidueShift
VerifiedPer AllanssonA85A2CBEFC53A5DE0
Verified2000-01-12Douglas McPhersonA85A2CBEFC53A5DE4360684
History
DateUserTypeResult
2023-03-09Sid & AndyNF-PM1
B1=4200000, B2=10880984400
2023-02-05Stef42NF-PM1
B1=3500000, B2=361987164
2021-03-25-Anonymous-NF
no factor from 2^72 to 2^73
2021-03-23-Anonymous-NF
no factor from 2^71 to 2^72
2021-03-21-Anonymous-NF
no factor from 2^70 to 2^71
2021-03-21-Anonymous-NF
no factor from 2^69 to 2^70
2021-03-21-Anonymous-NF
no factor from 2^68 to 2^69
2018-10-07YxinityNF
no factor from 2^67 to 2^68
2018-04-20BloodERazorNF
no factor from 2^66 to 2^67
2016-02-23Mark RoseNF
no factor from 2^62 to 2^63
2016-02-23Mark RoseNF
no factor from 2^1 to 2^61
2015-07-10snme2pm1NF
no factor from 2^65 to 2^66
2015-02-23monstNF
no factor from 2^64 to 2^65
2015-02-23JayderNF
no factor from 2^63 to 2^64
2012-12-07Squeeky_SquirrelNF-PM1
B1=305000, B2=9455000, E=12
2011-12-11GrunwalderGIMPNF
no factor from 2^1 to 2^63
2010-06-26markrNF
no factor from 2^61 to 2^62
2009-09-04Carsten KossendeyNF-PM1
B1=25000, B2=381250