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
5333Composite, with 2 known prime factors. Cofactor is composite.
Factored
FactorDigitsBitsDate
24260640043333957427032271.0old
212400004466813014212659769717476057046980158248522293536158190.42020-10-14 11:50:58
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
3510000001566 / 1566
4030000004588 / 4588
45110000009201 / 9201
504400000012417 / 16550
Estimated T-Level: 48.8
TF below 2^157 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified (Factored)2017-09-21Oliver Kruse3900967B36B6B3CE1013
Verified (Factored)2017-10-12kkmrkkblmbrbk3900967B36B6B3CE124413
Verified (Factored)2020-04-17Oliver Kruse1884F6FA17A0ECB21320053
Verified2020-10-14ATH1884F6FA17A0ECB222253
History
DateUserTypeResult
2023-07-04-Anonymous-NF-PM1
B1=59000000000, B2=241667483419362000
2022-01-24Ethan O'ConnorNF-PM1
B1=1300000000
2021-12-16Oliver KruseNF-PM1
B1=1000000000, B2=1002849399191640
2020-10-14ATHC-PRP
M5333/2426064004333395742703/2124000044668130142126597697174760570469801582485222935361 : 1884F6FA17A0ECB2
PRP: Verified
PRP without proof (small exponent)
2020-10-14Ryan PropperF-ECM
Factor: 2124000044668130142126597697174760570469801582485222935361 / (ECM curve 1, B1=110000000, B2=900514153782, Sigma=11205378260008983283)
2020-04-17Oliver KruseC-PRP
M5333/2426064004333395742703 : 1884F6FA17A0ECB2
PRP: Verified
PRP without proof (small exponent)
2017-10-12kkmrkkblmbrbkC-PRP
M5333/2426064004333395742703 : 3900967B36B6B3CE
PRP: Verified
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M5333/2426064004333395742703 : 3900967B36B6B3CE
PRP: Verified
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M5333/2426064004333395742703 : 3900967B36B6B3CE
PRP without proof (not generated)