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

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MnStatusDetails
49688017Factored
FactorDigitsBitsDate
11016902232496452448106598848873199.82021-08-26 21:25:07
ECM
DigitsB1Curves
255000011 / 280
Estimated T-Level: 20.2 ⓘ
TF below 2^62 is very unlikely to find new factors due to ECM effort.
LL
StatusDateUserResidueShift
Verified (Factored)2010-09-25Waz47466E789FA9A22015589482
Verified (Factored)2017-03-04-Anonymous-47466E789FA9A2205708815
History
DateUserTypeResult
2021-08-26Anton RepkoF-PP1
Start=2/7, B1=700000, B2=34300000, Factor: 1101690223249645244810659884887
2021-05-06Anton RepkoNF
no factor from 2^74 to 2^76
2021-03-14Sid & AndyNF-PM1
B1=1500000, B2=45000000
2018-12-23-Anonymous-NF
no factor from 2^73 to 2^74
2017-12-21monstNF
no factor from 2^72 to 2^73
2017-03-04-Anonymous-C-LL
47466E789FA9A220
2015-11-07Sid & AndyNF
no factor from 2^71 to 2^72
2015-09-27GregNF
no factor from 2^70 to 2^71
2015-07-14Architects CubedNF
no factor from 2^69 to 2^70
2010-09-25WazC-LL
47466E789FA9A220
2010-02-12JamesNF-PM1
B1=780000