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
2417Composite, with 4 known prime factors. Cofactor is composite.
Factored
FactorDigitsBitsDate
14503513.8old
956315672786176391756.4old
7372276914615731979359272479.3old
49676103870389039753947407543676823203139128.5old
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
3510000001566 / 1566
4030000004588 / 4588
45110000009201 / 9201
504400000016550 / 16550
5511000000040830 / 40830
6026000000060219 / 105362
Estimated T-Level: 57.9
TF below 2^187 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2017-09-21Oliver Kruse6331883A30738B894013
Verified2017-10-02kkmrkkblmbrbk6331883A30738B894013
Verified2017-12-07ATH6331883A30738B89492013
Verified2020-04-17Oliver Kruse60897A0959780055414353
Verified2024-02-03Wentao Huang60897A09597800554192753
History
DateUserTypeResult
2024-05-05masserNF-PM1
B1=100000000000, B2=47142036562480860
2024-02-03Wentao HuangC-PRP
M2417/14503/95631567278617639/737227691461573197935927/496761038703890397539474075436768232031 : 60897A0959780055
PRP: Verified
PRP without proof (small exponent)
2020-04-17Oliver KruseC-PRP
M2417/14503/95631567278617639/737227691461573197935927/496761038703890397539474075436768232031 : 60897A0959780055
PRP: Verified
PRP without proof (small exponent)
2017-12-07ATHC-PRP
M2417/14503/95631567278617639/737227691461573197935927/496761038703890397539474075436768232031 : 6331883A30738B89
PRP: Verified
PRP without proof (small exponent)
2017-10-02kkmrkkblmbrbkC-PRP
M2417/14503/95631567278617639/737227691461573197935927/496761038703890397539474075436768232031 : 6331883A30738B89
PRP: Verified
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M2417/known_factors : 6331883A30738B89
PRP without proof (not generated)
2016-09-09kkmrkkblmbrbkNF-PM1
B1=500000000, B2=50000000000, E=12