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

PrimeNet Exponent Status

Exponent Range:





MnDetails
109913
Composite, with 2 known prime factors. Cofactor is composite.
Trial Factored to 268
TF target 244
Factored
FactorDigitsBitsDate
882414537911136.4old
1105369193732511256972166.62008-12-02 18:32:28
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
351000000724 / 1566
Estimated T-Level: 32.3
TF below 2^102 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusProofDateUserResidueNumber of
known factors
ShiftTypeBase
Verified
No proof (small exponent)
2017-09-22Oliver KruseC0E4BE76CCC66D792013
Verified
No proof (small exponent)
2017-10-13kkmrkkblmbrbkC0E4BE76CCC66D792868113
Verified
No proof (small exponent)
2020-04-17Oliver Kruse475BBAA92DB5497C21811553
Verified
Not Uploaded
2022-04-15LordJulius475BBAA92DB5497C2334953
Verified
Certified Good
2022-11-11LordJulius475BBAA92DB5497C21783553
History
DateUserTypeResult
2026-02-11Jason LynchNF-PM1B1=894224000, B2=132294088246320
2025-12-17ViliamFNF-PM1B1=100000000, B2=2386922057520
2022-11-11Tercariol, C. A. S.CERT
Proof certified good
2022-11-11LordJuliusC-PRPM109913/88241453791/110536919373251125697 : 475BBAA92DB5497C
Proof Not Uploaded

Proof Power: 5

2022-05-08LordJuliusNFno factor TF: 62-63
2022-05-08LordJuliusNFno factor TF: 61-62
2022-05-08LordJuliusNFno factor TF: 60-61
2022-05-08LordJuliusNFno factor TF: 59-60
2022-05-08LordJuliusNFno factor TF: 58-59
2022-05-08LordJuliusNFno factor TF: 57-58
2022-04-15LordJuliusC-PRPM109913/88241453791/110536919373251125697 : 475BBAA92DB5497C
Proof Not Uploaded

Proof Power: 5

2020-04-17Oliver KruseC-PRPM109913/88241453791/110536919373251125697 : 475BBAA92DB5497C
2017-10-13kkmrkkblmbrbkC-PRPM109913/88241453791/110536919373251125697 : C0E4BE76CCC66D79
2017-09-22Oliver KruseC-PRPM109913/88241453791/110536919373251125697 : C0E4BE76CCC66D79
2017-09-21Oliver KruseC-PRPM109913/88241453791/110536919373251125697 : C0E4BE76CCC66D79
2016-12-10kkmrkkblmbrbkNF-PM1B1=100000000, B2=2000000000, E=12
2008-12-02Matthias WurtingerF-ECMFactor: 110536919373251125697