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

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Exponent Range:










MnStatusDetails
1313363Factored
FactorDigitsBitsDate
2626727721.3old
42027617825.32008-07-15 09:58:03
157603561927.22008-07-15 09:58:03
12529483031030.22008-07-15 09:58:03
446438350971135.42008-07-15 09:58:04
36953425336146171651.72014-07-09 11:46:41
195583292902196982892064.12017-07-13 10:13:33
7900102992481740343192169.42018-04-27 11:32:50
ECM
DigitsB1Curves
2550000280 / 280
30250000263 / 640
Estimated T-Level: 27.1 ⓘ
TF below 2^85 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified (Factored)2017-09-28alpertron25FB9E82795B60427013
Verified (Factored)2017-10-18Oliver Kruse25FB9E82795B6042747026813
Verified2018-04-27axnB1ADE9A806FAE92D820139653
Verified2018-04-29Oliver KruseB1ADE9A806FAE92D897361753
History
DateUserTypeResult
2022-11-16LordJuliusNF
no factor from 2^63 to 2^64
2022-11-16LordJuliusNF
no factor from 2^62 to 2^63
2022-11-16LordJuliusNF
no factor from 2^61 to 2^62
2022-03-07LordJuliusNF
no factor from 2^65 to 2^66
2021-03-25Seth_TrNF-PM1
B1=200000000, B2=36200000000
2021-03-11Seth_TrNF-PM1
B1=50000000, B2=7050000000
2019-12-31Seth_TrNF
no factor from 2^68 to 2^69
2019-12-15Seth_TrNF
no factor from 2^67 to 2^68
2019-12-10Seth_TrNF
no factor from 2^66 to 2^67
2018-04-29Oliver KruseC-PRP
M1313363/2626727/1252948303/157603561/42027617/44643835097/3695342533614617/19558329290219698289/790010299248174034319 : B1ADE9A806FAE92D
PRP: Verified
PRP without proof (not generated)
2018-04-27axnC-PRP
M1313363/2626727/1252948303/157603561/42027617/44643835097/3695342533614617/19558329290219698289/790010299248174034319 : B1ADE9A806FAE92D
PRP: Verified
PRP without proof (not generated)
2018-04-27TJAOIF-ECM
Factor: 790010299248174034319 / (ECM curve 109, B1=50000, B2=5000000)
2017-10-18Oliver KruseC-PRP
M1313363/2626727/1252948303/157603561/42027617/44643835097/3695342533614617/19558329290219698289 : 25FB9E82795B6042
PRP: Verified
PRP without proof (not generated)
2017-09-28alpertronC-PRP
M1313363/1252948303/157603561/19558329290219698289/2626727/3695342533614617/42027617/44643835097 : 25FB9E82795B6042
PRP: Verified
PRP without proof (not generated)
2017-07-13TJAOIF
Factor: 19558329290219698289 / TF: 64-65
2016-03-17alpertronNF-PM1
B1=500000, B2=15000000, E=12
2014-07-09TJAOIF
Factor: 3695342533614617
2008-07-15J FeitsmaF
Factor: 44643835097
2008-07-15J FeitsmaF
Factor: 42027617
2008-07-15J FeitsmaF
Factor: 157603561
2008-07-15J FeitsmaF
Factor: 1252948303