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
11003
Composite, with 1 known prime factor. Cofactor is composite.
Trial Factored to 268
TF target 244
Factored
FactorDigitsBitsDate
231596889505756875008629103508731100.9old
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
3510000001566 / 1566
4030000004588 / 4588
45110000009201 / 9201
50440000002493 / 16550
Estimated T-Level: 45.8
TF below 2^147 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusProofDateUserResidueNumber of
known factors
ShiftTypeBase
Verified
No proof (small exponent)
2017-09-21Oliver Kruse4A6EFC2665E09A711013
Verified
No proof (small exponent)
2017-10-12kkmrkkblmbrbk4A6EFC2665E09A7111032013
Verified
No proof (small exponent)
2020-04-17Oliver Kruse391460957AC5447F1597253
Verified
No proof (small exponent)
2024-07-01kkmrkkblmbrbk391460957AC5447F1654253
History
DateUserTypeResult
2025-02-21masserNF-PP1Start=180/67, B1=640000000, B2=639360000000
2025-02-14masserNF-PP1Start=6/5, B1=640000000, B2=639360000000
2025-01-26masserNF-PP1Start=2/7, B1=640000000, B2=639360000000
2024-07-01kkmrkkblmbrbkC-PRPM11003/2315968895057568750086291035087 : 391460957AC5447F
2022-12-29-anonymous-NF-PM1B1=100000000000, B2=122192573512709700
2020-04-17Oliver KruseC-PRPM11003/2315968895057568750086291035087 : 391460957AC5447F
2017-10-12kkmrkkblmbrbkC-PRPM11003/2315968895057568750086291035087 : 4A6EFC2665E09A71
2017-09-21Oliver KruseC-PRPM11003/2315968895057568750086291035087 : 4A6EFC2665E09A71
2017-09-21Oliver KruseC-PRPM11003/2315968895057568750086291035087 : 4A6EFC2665E09A71
2016-09-07kkmrkkblmbrbkNF-PM1B1=100000000, B2=10000000000, E=12
2008-03-03-anonymous-NF-PM1B1=1000000, B2=100000000
2008-01-15-anonymous-NF-PM1B1=1000000, B2=100000000
2002-12-25MoZF-PM1Factor: 2315968895057568750086291035087
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
2001-08-24-anonymous-NF-PM1B1=43000000, B2=4290000000
2001-08-18Alex KruppaNF-PM1B1=10000000, B2=1000000000
2001-07-17Alex KruppaNF-PM1B1=1000000, B2=100000000
2001-04-29-anonymous-NF-PM1B1=100000, B2=10000000
2000-08-17-anonymous-NFno factor TF: 1-56
2000-06-29-anonymous-NFno factor TF: 1-55
2000-06-28-anonymous-NFno factor TF: 1-55
1999-12-30-anonymous-NFno factor TF: 53-54
1999-09-14-anonymous-NFno factor TF: 52-53