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
1811
Composite, with 5 known prime factors. Cofactor is composite.
Trial Factored to 268
TF target 244
Factored
FactorDigitsBitsDate
3623411.8old
4997300134031295431858.8old
1891914051300502844061148445297655093186492919920750163.72008-11-22 12:25:26
210980511825216076915336801496214829148540119417548752170.52019-10-28 23:22:51
162776274696803868400489314707228414168253601256261724192758190.12019-10-31 20:17:48
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
3510000001566 / 1566
4030000004588 / 4588
45110000009201 / 9201
504400000016550 / 16550
5511000000040830 / 40830
60260000000105362 / 105362
6580000000084863 / 194238
Estimated T-Level: 62.2 ⓘ
TF below 2^202 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusProofDateUserResidueNumber of
known factors		ShiftTypeBase
Factored
No proof (small exponent)
2017-09-21Oliver KruseBD772D05D507A7D53013
Factored
No proof (small exponent)
2017-10-02kkmrkkblmbrbkBD772D05D507A7D53013
Factored
No proof (small exponent)
2017-12-07ATHBD772D05D507A7D53160913
Factored
No proof (small exponent)
2019-10-29nordi93F52C42D61D3A894146353
Factored
No proof (small exponent)
2019-10-29loader322993F52C42D61D3A89473153
Factored
No proof (small exponent)
2019-10-29mnd993F52C42D61D3A894156353
Verified
No proof (small exponent)
2019-10-31nordi93F52C42D61D3A89531953
Verified
No proof (small exponent)
2019-11-02_p95holder_93F52C42D61D3A89517153
Verified
No proof (small exponent)
2019-11-03fre_games93F52C42D61D3A895107453
Verified
No proof (small exponent)
2020-04-17Oliver Kruse93F52C42D61D3A89551653
Factored
No proof (small exponent)
2022-05-12Jorge Coveiro93F52C42D61D3A8917053
History
DateUserTypeResult
2022-10-09mikrNF-PM1B1=400000000000, B2=1310778031989756330
2022-05-12Jorge CoveiroC-PRPM1811/3623 : 93F52C42D61D3A89
2021-12-17firejugglerNF-PM1B1=40840606334, B2=37221820308052380
2021-07-24ViliamFNF-PP1Start=2/7, B1=1000000000, B2=221000000000
2020-04-17Oliver KruseC-PRPM1811/3623/499730013403129543/18919140513005028440611484452976550931864929199207/2109805118252160769153368014962148291485401194175487/1627762746968038684004893147072284141682536012562617241927 : 93F52C42D61D3A89
2019-11-03fre_gamesC-PRPM1811/3623/499730013403129543/18919140513005028440611484452976550931864929199207/2109805118252160769153368014962148291485401194175487/1627762746968038684004893147072284141682536012562617241927 : 93F52C42D61D3A89
2019-11-02_p95holder_C-PRPM1811/3623/499730013403129543/18919140513005028440611484452976550931864929199207/2109805118252160769153368014962148291485401194175487/1627762746968038684004893147072284141682536012562617241927 : 93F52C42D61D3A89
2019-10-31nordiC-PRPM1811/3623/499730013403129543/18919140513005028440611484452976550931864929199207/2109805118252160769153368014962148291485401194175487/1627762746968038684004893147072284141682536012562617241927 : 93F52C42D61D3A89
2019-10-31Ryan PropperF-ECMFactor: 1627762746968038684004893147072284141682536012562617241927
2019-10-29mnd9C-PRPM1811/3623/499730013403129543/18919140513005028440611484452976550931864929199207/2109805118252160769153368014962148291485401194175487 : 93F52C42D61D3A89
2019-10-29loader3229C-PRPM1811/3623/499730013403129543/18919140513005028440611484452976550931864929199207/2109805118252160769153368014962148291485401194175487 : 93F52C42D61D3A89
2019-10-29nordiC-PRPM1811/3623/499730013403129543/18919140513005028440611484452976550931864929199207/2109805118252160769153368014962148291485401194175487 : 93F52C42D61D3A89
2019-10-28Ryan PropperF-ECMFactor: 2109805118252160769153368014962148291485401194175487
2017-12-07ATHC-PRPM1811/3623/499730013403129543/18919140513005028440611484452976550931864929199207 : BD772D05D507A7D5
2017-10-02kkmrkkblmbrbkC-PRPM1811/3623/499730013403129543/18919140513005028440611484452976550931864929199207 : BD772D05D507A7D5
2017-09-21Oliver KruseC-PRPM1811/known_factors : BD772D05D507A7D5
2016-09-07kkmrkkblmbrbkNF-PM1B1=1000000000, B2=100000000000, E=12
2008-11-22-anonymous-F-ECMFactor: 18919140513005028440611484452976550931864929199207