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

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MnDetails
1181
Composite, with 4 known prime factors. Cofactor is PRP (Probable-Prime).
Trial Factored to 268
TF target 244
Factored
FactorDigitsBitsDate
4742897722.2old
1968341686701066250965994872787.3old
19966891105446691479119042298640733107.3old
180842235317734956454651203551253000127948125985424886045434898945102688773240.02010-03-07 21:11:34
PRP Cofactor
StatusProofDateUserResidueNumber of
known factors		ShiftTypeBase
Factored
No proof (small exponent)
2024-09-06George WoltmanPRP_PRP_PRP_PRP_440613
History
DateUserTypeResult
2024-09-06George WoltmanP-PRPM1181/4742897/196834168670106625096599487/199668911054466914791190422986407/1808422353177349564546512035512530001279481259854248860454348989451026887
PRP Cofactor
2010-03-07-anonymous-F-ECMFactor: 1808422353177349564546512035512530001279481259854248860454348989451026887