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
3032921Factored
FactorDigitsBitsDate
145580209927.1old
4173470534719671548.62014-04-09 10:32:29
14536170120655511650.42014-05-27 11:25:33
561386000913005836072065.62018-06-19 12:35:02
ECM
DigitsB1Curves
25500003 / 280
Estimated T-Level: 20.1
TF below 2^62 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified (Factored)2017-10-27Oliver KruseF309B94B102DE379355306353
Verified (Factored)2017-12-10kkmrkkblmbrbkF309B94B102DE3793284139253
Verified2018-06-19ATHF309B94B102DE379485470053
History
DateUserTypeResult
2022-07-24JossNF-PM1
B1=3332920, B2=3056097660
2022-03-21JossNF-PM1
B1=3332920, B2=1005919530
2021-11-07JossNF-PM1
B1=3332920, B2=121316840, E=12
2021-11-06JossNF-PM1
B1=3332920
2021-11-03JossNF-PM1
B1=2726336
2021-11-02JossNF-PM1
B1=2423044
2021-11-01JossNF-PM1
B1=2119752
2021-11-01JossNF-PM1
B1=1816460
2021-10-31JossNF-PM1
B1=1513168
2021-10-31JossNF-PM1
B1=1209876
2021-10-29JossNF
no factor from 2^69 to 2^70
2021-09-05JossNF
no factor from 2^68 to 2^69
2021-02-08JossNF
no factor from 2^67 to 2^68
2021-02-08JossNF
no factor from 2^66 to 2^67
2018-06-19ATHC-PRP
M3032921/145580209/417347053471967/1453617012065551/56138600091300583607 : F309B94B102DE379
PRP: Verified
PRP without proof (not generated)
2018-06-19ATHF-ECM
Factor: 56138600091300583607 / (ECM curve 3, B1=50000, B2=5000000)
2017-12-10kkmrkkblmbrbkC-PRP
M3032921/145580209/417347053471967/1453617012065551 : F309B94B102DE379
PRP: Verified
PRP without proof (not generated)
2017-10-27Oliver KruseC-PRP
M3032921/145580209/417347053471967/1453617012065551 : F309B94B102DE379
PRP: Verified
PRP without proof (not generated)
2014-05-27TJAOIF
Factor: 1453617012065551
2014-04-09TJAOIF
Factor: 417347053471967