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

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MnStatusDetails
234499Composite, with 3 known prime factors. Cofactor is composite.
Factored
FactorDigitsBitsDate
7972967722.9old
270142849928.02008-07-21 09:14:33
1103901787169017385045613561302332103.12022-06-26 18:51:58
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
351000000160 / 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 Kruse6533C4E6ECFC3AC72013
Verified (Factored)2017-10-12kkmrkkblmbrbk6533C4E6ECFC3AC726353013
Verified (Factored)2020-04-17Oliver Kruse2961C23250DF2FA5215510053
Verified2022-06-27LordJulius2961C23250DF2FA537516853
Verified2022-06-29_p95holder_2961C23250DF2FA53698953
History
DateUserTypeResult
2022-06-29_p95holder_C-PRP
M234499/7972967/270142849/11039017871690173850456135613023 : 2961C23250DF2FA5
PRP: Verified
PRP without proof (small exponent)
2022-06-27Funky WaddleCERT
PRP Certification
Proof certified good
2022-06-27LordJuliusC-PRP
M234499/7972967/270142849/11039017871690173850456135613023 : 2961C23250DF2FA5
PRP proof power = 5
PRP: Verified
Proof certified good
2022-06-26_p95holder_F-ECM
Factor: 11039017871690173850456135613023 / (ECM curve 3, B1=250000, B2=25000000)
2022-03-29Oliver KruseNF-PM1
B1=30000000, B2=10070832992220
2021-07-04Oliver KruseNF-PM1
B1=30000000, B2=3000000000, E=24
2020-04-17Oliver KruseC-PRP
M234499/7972967/270142849 : 2961C23250DF2FA5
PRP: Verified
PRP without proof (small exponent)
2017-10-12kkmrkkblmbrbkC-PRP
M234499/7972967/270142849 : 6533C4E6ECFC3AC7
PRP: Verified
PRP without proof (small exponent)
2017-09-22Oliver KruseC-PRP
M234499/7972967/270142849 : 6533C4E6ECFC3AC7
PRP: Verified
PRP without proof (not generated)
2017-09-22Oliver KruseC-PRP
M234499/7972967/270142849 : 6533C4E6ECFC3AC7
PRP without proof (not generated)
2008-07-21J FeitsmaF
Factor: 270142849