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
306577Composite, with 2 known prime factors. Cofactor is composite.
Factored
FactorDigitsBitsDate
1839463720.8old
14369298576741779691960.32014-01-07 11:33:02
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
351000000167 / 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
Verified2017-09-22Oliver KruseA8E3A2BBE7988D122013
Verified2017-10-12Oliver KruseA8E3A2BBE7988D1229326513
Verified2017-12-11ATHA8E3A2BBE7988D12226061613
Verified2020-04-18Oliver KruseE7DA3C664C91637827625353
Verified2024-08-25kkmrkkblmbrbkE7DA3C664C916378213089753
History
DateUserTypeResult
2024-08-25ChuckCERT
PRP Certification
Proof certified good
2024-08-25kkmrkkblmbrbkC-PRP
M306577/1839463/1436929857674177969 : E7DA3C664C916378
PRP proof power = 5
PRP: Verified
Proof certified good
2024-02-23Denial140NF-PM1
B1=10000000, B2=206662045590
2024-02-22Denial140NF-PM1
B1=10000000
2023-03-17Denial140NF-PM1
B1=1000000, B2=65871826020
2022-02-06Lisander ViaeneNF-PM1
B1=50000
2020-04-18Oliver KruseC-PRP
M306577/1839463/1436929857674177969 : E7DA3C664C916378
PRP: Verified
PRP without proof (small exponent)
2017-12-11ATHC-PRP
M306577/1839463/1436929857674177969 : A8E3A2BBE7988D12
PRP: Verified
PRP without proof (small exponent)
2017-10-12Oliver KruseC-PRP
M306577/1839463/1436929857674177969 : A8E3A2BBE7988D12
PRP: Verified
PRP without proof (small exponent)
2017-09-22Oliver KruseC-PRP
M306577/1839463/1436929857674177969 : A8E3A2BBE7988D12
PRP: Verified
PRP without proof (not generated)
2017-09-22Oliver KruseC-PRP
M306577/1839463/1436929857674177969 : A8E3A2BBE7988D12
PRP without proof (not generated)
2014-01-07Richard B. WoodsF-ECM
Factor: 1436929857674177969