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
240017Factored
FactorDigitsBitsDate
81831395991032.9old
1574467222462491547.22008-09-30 13:18:02
2073889504418215184873697192787.42021-02-24 08:07:53
ECM
DigitsB1Curves
2550000280 / 280
30250000604 / 640
Estimated T-Level: 29.7 ⓘ
TF below 2^94 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified (Factored)2017-09-22Oliver KruseB18F30F09AEEC6002013
Verified (Factored)2017-10-12kkmrkkblmbrbkB18F30F09AEEC60028587813
Verified (Factored)2020-04-17Oliver KruseA389F5F4D385CA70217049453
Verified2021-02-24mnd9A389F5F4D385CA7038224453
Verified2021-02-26LaurVA389F5F4D385CA70317738253
History
DateUserTypeResult
2022-04-06Oliver KruseNF-PM1
B1=30000000, B2=10120247026890
2021-07-20Oliver KruseNF-PM1
B1=30000000, B2=3000000000, E=24
2021-03-26mermaidCERT
PRP Certification
Proof certified good
2021-02-26curtiscCERT
PRP Certification
Proof certified good
2021-02-26LaurVC-PRP
M240017/8183139599/157446722246249/207388950441821518487369719 : A389F5F4D385CA70
PRP proof power = 5
PRP: Verified
Proof certified good
2021-02-24mnd9C-PRP
M240017/8183139599/157446722246249/207388950441821518487369719 : A389F5F4D385CA70
PRP proof power = 5
PRP: Verified
Proof certified good
2021-02-24_p95holder_F-ECM
Factor: 207388950441821518487369719 / (ECM curve 5, B1=250000, B2=25000000)
2020-04-17Oliver KruseC-PRP
M240017/8183139599/157446722246249 : A389F5F4D385CA70
PRP: Verified (Factored)
PRP without proof (small exponent)
2017-10-12kkmrkkblmbrbkC-PRP
M240017/8183139599/157446722246249 : B18F30F09AEEC600
PRP: Verified (Factored)
PRP without proof (small exponent)
2017-09-22Oliver KruseC-PRP
M240017/8183139599/157446722246249 : B18F30F09AEEC600
PRP: Verified (Factored)
PRP without proof (not generated)
2017-09-22Oliver KruseC-PRP
M240017/8183139599/157446722246249 : B18F30F09AEEC600
PRP without proof (not generated)
2008-09-30markrF
Factor: 157446722246249