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

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Exponent Range:





MnDetails
136601
Composite, with 2 known prime factors. Cofactor is composite.
Trial Factored to 268
TF target 244
Factored
FactorDigitsBitsDate
12196879447148078287604332580.02018-10-21 15:56:53
108480427303316954856981112683.22009-12-23 16:26:53
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
351000000196 / 1566
Estimated T-Level: 30.6
TF below 2^97 is very unlikely to find new factors due to ECM effort.
LL
StatusDateUserResidueShiftSoftware
FactoredUnknown58DF0Unknown,(aka U)
FactoredKevin JagetCF6A76E9702258DF0Windows,Prime95,v11,(aka WC)
FactoredBrian J. BeesleyCF6A76E9702258DF0Mac,John Sweeney,vLL1.0b1,(aka J4)
FactoredEivind TrielCF6A76E9702258DF22918Windows,Prime95,v24 final,(aka Wc1)
PRP Cofactor
StatusProofDateUserResidueNumber of
known factors
ShiftTypeBase
Factored
No proof (small exponent)
2017-09-22Oliver Kruse051A300686BB3DA91013
Factored
No proof (small exponent)
2017-10-13kkmrkkblmbrbk051A300686BB3DA91107513
Verified
No proof (small exponent)
2018-10-21storm5510EE102D60150B269C27226753
Verified
No proof (small exponent)
2018-10-21ATHEE102D60150B269C25544953
History
DateUserTypeResult
2026-01-02ViliamFNF-PM1B1=100000000, B2=2008794267480
2022-03-07LordJuliusNFno factor TF: 57-58
2022-03-07LordJuliusNFno factor TF: 54-55
2018-10-21ATHC-PRPM136601/10848042730331695485698111/1219687944714807828760433 : EE102D60150B269C
2018-10-21storm5510C-PRPM136601/10848042730331695485698111/1219687944714807828760433 : EE102D60150B269C
2018-10-21Niels_Mache_NextcloudF-ECMFactor: 1219687944714807828760433
2017-10-13kkmrkkblmbrbkC-PRPM136601/10848042730331695485698111 : 051A300686BB3DA9
2017-09-22Oliver KruseC-PRPM136601/10848042730331695485698111 : 051A300686BB3DA9
2017-09-21Oliver KruseC-PRPM136601/10848042730331695485698111 : 051A300686BB3DA9
2017-01-08kkmrkkblmbrbkNF-PM1B1=100000000, B2=2000000000, E=12
2009-12-23-anonymous-F-ECMFactor: 10848042730331695485698111
2009-02-07Sturle SundeNFno factor TF: 59-60
2008-12-31Sturle SundeNFno factor TF: 58-59
2003-09-29-anonymous-NF-PM1B1=262144, B2=26214400, E=12
2003-02-09-anonymous-NF-PM1B1=131072, B2=13107200, E=30
2002-07-20-anonymous-NF-PM1B1=65536, B2=6553600, E=12
2002-06-23-anonymous-NFno factor TF: 1-57
2002-06-02-anonymous-NF-PM1B1=32768, B2=3276800, E=12
2000-12-31-anonymous-NFno factor TF: 1-56
2000-11-25-anonymous-NF-PM1B1=1000000, B2=25000000
2000-04-27-anonymous-NFno factor TF: 1-54
1999-09-30-anonymous-NFno factor TF: 52-53