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
8053Composite, with 2 known prime factors. Cofactor is composite.
Factored
FactorDigitsBitsDate
219927431927.7old
36072029809197146441167290712891.5old
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
3510000001566 / 1566
4030000004588 / 4588
45110000006358 / 9201
Estimated T-Level: 43.5
TF below 2^139 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2017-09-21Oliver Kruse7513626602E244872013
Verified2017-10-12kkmrkkblmbrbk7513626602E244872486913
Verified2020-04-17Oliver Kruse6F6578756C5BB8D52758753
Verified2024-07-01kkmrkkblmbrbk6F6578756C5BB8D52675953
History
DateUserTypeResult
2024-07-01kkmrkkblmbrbkC-PRP
M8053/219927431/3607202980919714644116729071 : 6F6578756C5BB8D5
PRP: Verified
PRP without proof (small exponent)
2023-05-29JacobZNF-PM1
B1=73000000000, B2=299074993103236350
2021-12-16Lisander ViaeneNF-PM1
B1=100000000
2020-04-17Oliver KruseC-PRP
M8053/219927431/3607202980919714644116729071 : 6F6578756C5BB8D5
PRP: Verified
PRP without proof (small exponent)
2017-10-12kkmrkkblmbrbkC-PRP
M8053/219927431/3607202980919714644116729071 : 7513626602E24487
PRP: Verified
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M8053/219927431/3607202980919714644116729071 : 7513626602E24487
PRP: Verified
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M8053/219927431/3607202980919714644116729071 : 7513626602E24487
PRP without proof (not generated)