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:





MnDetails
75099587
Composite: proven not-prime with Lucas-Lehmer test
No factors below 275
TF target 274
P-1
B1 = 655000
B2 = 13100000
LL
StatusDateUserResidueShiftSoftware
Verified2016-06-24Peter Rehaeusser8FD79264F623F4AD12536147Windows 64-bit,Prime95,v28.5,build 2
Verified2025-03-13Dmitriy Degtiarev8FD79264F623F4AD32218106Linux 64-bit,Prime95,v30.3,build 6
History
DateUserTypeResult
2025-03-13Dmitriy DegtiarevC-LL8FD79264F623F4AD
2016-06-24Peter RehaeusserC-LL8FD79264F623F4AD
2015-09-09NesowaNF-PM1B1=655000, B2=13100000, E=12
2015-09-03endless_mikeNFno factor TF: 74-75
2015-09-03endless_mikeNFno factor TF: 73-74
2015-09-03endless_mikeNFno factor TF: 72-73
2015-08-30Judge HaleNFno factor TF: 71-72
2014-03-02ANONYMOUSNFno factor TF: 70-71
2012-12-04Waldir Walter JuniorNFno factor TF: 69-70
2010-08-04S45653NFno factor TF: 68-69
2010-08-01Bold_SeekerNFno factor TF: 67-68
2010-07-31Aldo_GridNFno factor TF: 66-67
2010-07-27Aldo_GridNFno factor TF: 65-66
2004-12-23MarzbugNFno factor TF: 1-65
2004-09-02MarzbugNFno factor TF: 1-65
2004-08-06MarzbugNFno factor TF: 1-65