Marin Mersenne 2^P-1
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Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

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Exponent Range:










MnStatusDetails
241727Factored
FactorDigitsBitsDate
1915183459352887879132167.42008-01-10 07:41:58
325384146077638253981866986671931101.42020-11-09 05:24:39
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
351000000172 / 1566
Estimated T-Level: 30.5
TF below 2^96 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified (Factored)2017-09-22Oliver KruseF2C7F068993886441013
Verified (Factored)2017-10-12kkmrkkblmbrbkF2C7F0689938864412173813
Verified (Factored)2020-04-17Oliver KruseB5611B91C4305B10123040153
Verified2020-11-09mrhB5611B91C4305B1028189453
History
DateUserTypeResult
2022-04-08Oliver KruseNF-PM1
B1=30000000, B2=10120247026890
2022-03-07LordJuliusNF
no factor from 2^54 to 2^55
2021-08-06Oliver KruseNF-PM1
B1=30000000, B2=3000000000, E=24
2020-11-09mrhC-PRP
M241727/191518345935288787913/3253841460776382539818669866719 : B5611B91C4305B10
PRP: Verified
PRP without proof (small exponent)
2020-11-09nordiF-ECM
Factor: 3253841460776382539818669866719 / (ECM curve 2, B1=250000, B2=25000000, Sigma=5145202326750457)
2020-04-17Oliver KruseC-PRP
M241727/191518345935288787913 : B5611B91C4305B10
PRP: Verified
PRP without proof (small exponent)
2017-10-12kkmrkkblmbrbkC-PRP
M241727/191518345935288787913 : F2C7F06899388644
PRP: Verified
PRP without proof (small exponent)
2017-09-22Oliver KruseC-PRP
M241727/191518345935288787913 : F2C7F06899388644
PRP: Verified
PRP without proof (not generated)
2017-09-22Oliver KruseC-PRP
M241727/191518345935288787913 : F2C7F06899388644
PRP without proof (not generated)
2008-01-10Steve ScottF-ECM
Factor: 191518345935288787913