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
798227Factored
FactorDigitsBitsDate
99832629436887345911963.12008-01-19 00:42:34
ECM
DigitsB1Curves
2550000280 / 280
30250000100 / 640
Estimated T-Level: 25.8 ⓘ
TF below 2^81 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified2017-09-28Oliver Kruse29D662BE4B83BDBD1013
Verified2017-10-13Oliver Kruse29D662BE4B83BDBD146598513
Verified2017-12-17ATH29D662BE4B83BDBD117545313
Unverified (Reliable)2020-04-21Oliver Kruse6F4F093878ADC1__160149253
History
DateUserTypeResult
2022-11-25Kevin_9611NF-PM1
B1=1000000, B2=1074574410
2020-04-21Oliver KruseC-PRP
M798227/9983262943688734591 : 6F4F093878ADC1__
PRP: Unverified (Reliable)
PRP without proof (small exponent)
2017-12-17ATHC-PRP
M798227/9983262943688734591 : 29D662BE4B83BDBD
PRP: Unverified (Reliable)
PRP without proof (small exponent)
2017-10-13Oliver KruseC-PRP
M798227/9983262943688734591 : 29D662BE4B83BDBD
PRP: Unverified (Reliable)
PRP without proof (small exponent)
2017-09-28Oliver KruseC-PRP
M798227/9983262943688734591 : 29D662BE4B83BDBD
PRP: Unverified (Reliable)
PRP without proof (not generated)
2008-01-19Team_BunduF-ECM
Factor: 9983262943688734591