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
79087627Composite: proven not-prime with PRP test
TF
No factors below 275
TF target 275
P-1
B1 = 825000
B2 = 20418750
PRP
StatusDateUserResidueShiftTypeBase
Verified2018-04-11ky0urakuBDC9C0D49ABAA4326555023513
Bad2019-01-18Sir Rutherford J. Pinkerton IIIF2C870F19CBF3E27406558313
Verified2019-02-20irowikiBDC9C0D49ABAA4327081611313
History
DateUserTypeResult
2019-02-20irowikiC-PRP
BDC9C0D49ABAA432
PRP: Verified
PRP without proof (not generated)
2019-01-18Sir Rutherford J. Pinkerton IIIC-PRP
F2C870F19CBF3E__
PRP: Verified
PRP without proof (not generated)
2018-04-11ky0urakuC-PRP
BDC9C0D49ABAA432
PRP: Verified
PRP without proof (not generated)
2016-07-10AirSquirrelsNF
no factor from 2^74 to 2^75
2016-04-05Mark RoseNF
no factor from 2^63 to 2^64
2016-03-08James HeinrichNF
no factor from 2^73 to 2^74
2016-02-18BdotNF
no factor from 2^72 to 2^73
2016-01-27GregNF
no factor from 2^71 to 2^72
2016-01-20C. WilliamsonNF-PM1
B1=825000, B2=20418750
2013-06-29SMoffatNF
no factor from 2^70 to 2^71
2013-03-26ITSNF
no factor from 2^69 to 2^70
2013-03-24ITSNF
no factor from 2^68 to 2^69
2012-09-19AxelssonNF
no factor from 2^67 to 2^68
2011-05-19Carsten KossendeyNF
no factor from 2^65 to 2^67
2010-11-23BdotNF
no factor from 2^64 to 2^65