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:










MnStatusDetails
2179Composite, with 3 known prime factors. Cofactor is composite.
Factored
FactorDigitsBitsDate
248407617.9old
8728808381018471030992572479.5old
182742305500992394906581592683.9old
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
3510000001566 / 1566
4030000004588 / 4588
45110000009201 / 9201
504400000016550 / 16550
5511000000040830 / 40830
6026000000061082 / 105362
Estimated T-Level: 57.9
TF below 2^187 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2017-09-21Oliver Kruse6276E2334C215A333013
Verified2017-10-02kkmrkkblmbrbk6276E2334C215A333013
Verified2017-12-07ATH6276E2334C215A333198713
Verified2020-04-17Oliver Kruse01F30268181AF0943132253
Verified2024-01-27Wentao Huang01F30268181AF09433153
History
DateUserTypeResult
2024-01-27Wentao HuangC-PRP
M2179/248407/872880838101847103099257/18274230550099239490658159 : 01F30268181AF094
PRP: Verified
PRP without proof (small exponent)
2022-09-24BloodIceNF-PM1
B1=1000000000000, B2=1310722373655384690
2022-09-03BloodIceNF-PM1
B1=100000000000, B2=131072237364568500
2022-08-30BloodIceNF-PM1
B1=10000000000, B2=8197466515738500
2020-04-17Oliver KruseC-PRP
M2179/248407/872880838101847103099257/18274230550099239490658159 : 01F30268181AF094
PRP: Verified
PRP without proof (small exponent)
2017-12-07ATHC-PRP
M2179/248407/872880838101847103099257/18274230550099239490658159 : 6276E2334C215A33
PRP: Verified
PRP without proof (small exponent)
2017-10-02kkmrkkblmbrbkC-PRP
M2179/248407/872880838101847103099257/18274230550099239490658159 : 6276E2334C215A33
PRP: Verified
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M2179/known_factors : 6276E2334C215A33
PRP without proof (not generated)
2016-09-08kkmrkkblmbrbkNF-PM1
B1=500000000, B2=50000000000, E=12