Marin Mersenne 2^P-1
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Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

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Exponent Range:










MnStatusDetails
1546291Factored
FactorDigitsBitsDate
253107580287911444.5old
2082631960538231547.62008-08-26 20:19:30
2352055810481003211857.72015-07-10 10:12:37
103349800214760316989772373.12017-12-01 07:43:05
ECM
DigitsB1Curves
2550000280 / 280
30250000107 / 640
Estimated T-Level: 25.8
TF below 2^81 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified (Factored)2017-10-05Oliver Kruse5BA7DC7DBA2796643013
Verified (Factored)2017-11-10kkmrkkblmbrbk5BA7DC7DBA2796643141435213
Verified2017-12-01kkmrkkblmbrbk0FFCCCC0CC8692EB478582453
Verified2017-12-02Oliver Kruse0FFCCCC0CC8692EB4139982853
History
DateUserTypeResult
2017-12-02Oliver KruseC-PRP
M1546291/25310758028791/208263196053823/235205581048100321/10334980021476031698977 : 0FFCCCC0CC8692EB
PRP: Verified
PRP without proof (not generated)
2017-12-01kkmrkkblmbrbkC-PRP
M1546291/25310758028791/208263196053823/235205581048100321/10334980021476031698977 : 0FFCCCC0CC8692EB
PRP: Verified
PRP without proof (not generated)
2017-12-01ATHF-ECM
Factor: 10334980021476031698977 / (ECM curve 1, B1=50000, B2=5000000)
2017-11-10kkmrkkblmbrbkC-PRP
M1546291/25310758028791/208263196053823/235205581048100321 : 5BA7DC7DBA279664
PRP: Verified
PRP without proof (not generated)
2017-10-05Oliver KruseC-PRP
M1546291/25310758028791/208263196053823/235205581048100321 : 5BA7DC7DBA279664
PRP: Verified
PRP without proof (not generated)
2017-10-01Oliver KruseC-PRP
M1546291/25310758028791/208263196053823/235205581048100321 : 5BA7DC7DBA279664
PRP without proof (not generated)
2016-03-16alpertronNF-PM1
B1=500000, B2=15000000, E=12
2015-07-10TJAOIF
Factor: 235205581048100321 / TF: 57-58
2008-08-26-Anonymous-F
Factor: 208263196053823