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:





MnDetails
8444549
Composite, with 4 known prime factors. Cofactor is composite.
Trial Factored to 268
TF target 268
Factored
FactorDigitsBitsDate
253336471927.9old
18746898791030.82008-09-08 04:33:21
285279665502311444.72008-09-30 23:52:41
2560518206795605411692167.82023-05-01 16:48:32
PRP Cofactor
StatusProofDateUserResidueNumber of
known factors
ShiftTypeBase
Factored
PRP without proof (not generated)
2018-10-30Oliver KruseAE31504B257007B23414184953
Factored
PRP without proof (not generated)
2020-06-01Luigi MorelliAE31504B257007B23695225153
Verified
Certified Good
2023-05-06rucioAE31504B257007B2485232653
History
DateUserTypeResult
2024-05-10Stef42NF-PM1B1=6000000, B2=11027807700
2023-05-06james_colladoCERT
Proof certified good
2023-05-06rucioC-PRPM8444549/253336471/1874689879/28527966550231/256051820679560541169 : AE31504B257007B2
Proof Certified Good

Proof Power: 8

2023-05-01TJAOIFFactor: 256051820679560541169
2020-06-01Luigi MorelliC-PRPM8444549/253336471/1874689879/28527966550231 : AE31504B257007B2
2018-10-30Oliver KruseC-PRPM8444549/253336471/1874689879/28527966550231 : AE31504B257007B2
2008-09-30markrFFactor: 28527966550231
2008-09-08Will EdgingtonFFactor: 1874689879