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
1844153Factored
FactorDigitsBitsDate
44259673825.4old
37325656731031.82008-07-15 07:47:18
2086960595304450278872167.52020-07-28 01:25:42
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)2017-10-04Oliver KruseEC8C82D863AB32F42013
Verified (Factored)2017-11-06ATHEC8C82D863AB32F42182128513
Verified2020-07-28M Miller25496D49518153893101393453
Verified2020-07-29marssystems25496D4951815389319480353
History
DateUserTypeResult
2023-05-31USAFSSNF-PM1
B1=600000, B2=830065236
2023-04-16Kevin_9611NF-PM1
B1=90000, B2=116204550
2022-04-09Ethan O'ConnorNF-PM1
B1=50000, B2=4115790
2020-07-29marssystemsC-PRP
M1844153/44259673/3732565673/208696059530445027887 : 25496D4951815389
PRP: Verified
PRP without proof (not generated)
2020-07-28M MillerC-PRP
M1844153/44259673/3732565673/208696059530445027887 : 25496D4951815389
PRP: Verified
PRP without proof (not generated)
2020-07-28_p95holder_F-ECM
Factor: 208696059530445027887 / (ECM curve 1, B1=50000, B2=5000000)
2017-11-06ATHC-PRP
M1844153/44259673/3732565673 : EC8C82D863AB32F4
PRP: Verified
PRP without proof (not generated)
2017-10-04Oliver KruseC-PRP
M1844153/44259673/3732565673 : EC8C82D863AB32F4
PRP: Verified
PRP without proof (not generated)
2008-07-15J FeitsmaF
Factor: 3732565673