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
10061
Composite: proven not-prime with Lucas-Lehmer test
No factors below 269
TF target 244
P-1
B1 = 1000000000000
B2 = 1408335345527660550
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
3510000001566 / 1566
4030000004588 / 4588
45110000009201 / 9201
504400000016550 / 16550
5511000000040830 / 40830
6026000000024630 / 105362
Estimated T-Level: 56.2 ⓘ
TF below 2^182 is very unlikely to find new factors due to ECM effort.
LL
StatusDateUserResidueShiftSoftware
VerifiedUnknown31880Unknown,(aka U)
VerifiedGeorge Woltman56EB9BB91825B1880Woltman,Prime95,first web release,(aka W4)
VerifiedBrian J. Beesley56EB9BB91825B1880Mac,John Sweeney,v1.4,(aka J3)
Verified2015-04-11MadPoo 🙂56EB9BB91825B1888252Windows 64-bit,Prime95,v26,(aka We4)
History
DateUserTypeResult
2023-08-21masserNF-PP1Start=6/5, B1=810000000, B2=144990000000
2023-07-09masserNF-PP1Start=169/59, B1=810000000, B2=32400000000
2022-04-16-anonymous-NF-PM1B1=1000000000000, B2=1408335345527660550
2021-05-11ATHNF-PP1Start=2/7, B1=1000000000, B2=211000000000
2021-04-27fbaurNF-PM1B1=6193356593, B2=278701046677
2015-04-11MadPoo 🙂C-LL56EB9BB91825B188
2014-08-16-anonymous-NF-PM1B1=1000000000000, B2=100000000000000, E=12
2013-12-09Jerry HallettNF-PM1B1=1000000000000
2013-11-07Jerry HallettNFno factor TF: 68-69
2013-11-04Jerry HallettNF-PM1B1=460000000000, B2=10000000000000, E=12
2013-10-30Jerry HallettNFno factor TF: 67-68
2013-10-26Jerry HallettNFno factor TF: 66-67
2013-10-23Jerry HallettNF-PM1B1=460000000000
2013-10-17Jerry HallettNF-PM1B1=450000000000
2013-02-08James HeinrichNF-PM1B1=20000000000, B2=600000000000, E=12
2013-01-17Jerry HallettNFno factor TF: 65-66
2013-01-09Jerry HallettNFno factor TF: 64-65
2013-01-03Jerry HallettNFno factor TF: 63-64
2012-12-31Jerry HallettNFno factor TF: 62-63
2012-12-29Jerry HallettNFno factor TF: 61-62
2012-12-09bcp19NF-PM1B1=10000000000, B2=100000000000, E=12
2012-11-08bcp19NFno factor TF: 60-61
2010-06-14chalsallNFno factor TF: 59-60
2007-12-18abcNFno factor TF: 1-59
2006-02-01JossNF-PM1B1=4290000000
2006-01-15JossNF-PM1B1=200000000
2006-01-15JossNF-PM1B1=110000000
2003-09-29-anonymous-NF-PM1B1=16777216, B2=1677721600, E=12
2003-09-29-anonymous-NF-PM1B1=8388608, B2=838860800, E=12
2003-07-06-anonymous-NF-PM1B1=4194304, B2=419430400, E=12
2003-05-19-anonymous-NF-PM1B1=2097152, B2=209715200, E=12
2003-04-27-anonymous-NF-PM1B1=1048576, B2=104857600, E=48
2003-04-03-anonymous-NF-PM1B1=524288, B2=52428800, E=48
2003-03-27-anonymous-NF-PM1B1=262144, B2=26214400, E=30
2003-02-02-anonymous-NF-PM1B1=131072, B2=13107200, E=30
2002-07-14-anonymous-NFno factor TF: 1-57
2002-07-14-anonymous-NF-PM1B1=65536, B2=6553600, E=12
2002-06-09-anonymous-NF-PM1B1=32768, B2=3276800
2002-04-28-anonymous-NF-PM1B1=16384, B2=1638400
2001-07-17-anonymous-NF-PM1B1=43000000, B2=4290000000
2001-07-03Alex KruppaNF-PM1B1=1000000, B2=100000000
2001-04-29-anonymous-NF-PM1B1=100000, B2=10000000
2001-04-29-anonymous-NF-PM1B1=100000, B2=10000000
2001-04-29-anonymous-NF-PM1B1=100000, B2=10000000
2000-08-10-anonymous-NFno factor TF: 1-56
2000-06-29-anonymous-NFno factor TF: 1-55
2000-06-28-anonymous-NFno factor TF: 1-55
1999-12-23-anonymous-NFno factor TF: 53-54
1999-09-14-anonymous-NFno factor TF: 52-53