Marin Mersenne 2^P-1
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GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

Exponent Range:










MnStatusDetails
10501Composite, with 2 known prime factors. Cofactor is composite.
Factored
FactorDigitsBitsDate
21607085492491991650.9old
2287476242245188812378898693692460926097401944147154.02009-11-14 16:18:25
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
3510000001566 / 1566
4030000004588 / 4588
45110000003412 / 9201
Estimated T-Level: 41.9
TF below 2^134 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2017-09-21Oliver Kruse53F2E4DB46B25A322013
Verified2017-10-02kkmrkkblmbrbk53F2E4DB46B25A322013
Verified2017-10-12kkmrkkblmbrbk53F2E4DB46B25A322802313
Verified2020-04-17Oliver Kruse1098B394784D98AA2423153
Verified2024-07-01kkmrkkblmbrbk1098B394784D98AA287353
History
DateUserTypeResult
2024-07-01kkmrkkblmbrbkC-PRP
M10501/2160708549249199/22874762422451888123788986936924609260974019441 : 1098B394784D98AA
PRP: Verified
PRP without proof (small exponent)
2022-11-09-Anonymous-NF-PM1
B1=100000000000, B2=120443211520241610
2021-08-02ViliamFNF-PM1
B1=250000000, B2=40250000000
2020-04-17Oliver KruseC-PRP
M10501/2160708549249199/22874762422451888123788986936924609260974019441 : 1098B394784D98AA
PRP: Verified
PRP without proof (small exponent)
2017-10-12kkmrkkblmbrbkC-PRP
M10501/2160708549249199/22874762422451888123788986936924609260974019441 : 53F2E4DB46B25A32
PRP: Verified
PRP without proof (not generated)
2017-10-02kkmrkkblmbrbkC-PRP
M10501/2160708549249199/22874762422451888123788986936924609260974019441 : 53F2E4DB46B25A32
PRP: Verified
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M10501/2160708549249199/22874762422451888123788986936924609260974019441 : 53F2E4DB46B25A32
PRP: Verified
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M10501/2160708549249199/22874762422451888123788986936924609260974019441 : 53F2E4DB46B25A32
PRP without proof (not generated)
2016-09-07kkmrkkblmbrbkNF-PM1
B1=100000000, B2=10000000000, E=12
2009-11-14Never Odd Or EvenF-ECM
Factor: 22874762422451888123788986936924609260974019441