2 194 679 Exponent Status

Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

M_n

Status

Details

Factored

Factor	Digits	Bits	Date
5986404057297168775937	22	72.3	2012-12-16 08:46:26

ECM

Digits	B1	Curves
25	50000	111 / 280

Estimated T-Level: 22.0 ⓘ

TF below 2^68 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Shift
Verified (Factored)		Dario Bertoia	C567D387159DC2FA	0
Bad	1999-03-26	Ken Finlayson	C9404ED866E2BC29	1114819
Verified (Factored)	1999-05-16	Philip Heede	C567D387159DC2FA	2130016

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2017-10-09	Oliver Kruse	F80C6C9B6227173F	1	0	1	3
Verified	2017-11-19	kkmrkkblmbrbk	F80C6C9B6227173F	1	1657910	1	3

P-1 factors

Date	Factor	B1	B2
2012-12-16	5986404057297168775937	160000	4520000

History

Date	User	Type	Result
2022-03-09	LordJulius	NF	no factor from 2^1 to 2^60
2017-11-19	kkmrkkblmbrbk	C-PRP	M2194679/5986404057297168775937 : F80C6C9B6227173F PRP: Verified PRP without proof (not generated)
2017-10-09	Oliver Kruse	C-PRP	M2194679/5986404057297168775937 : F80C6C9B6227173F PRP: Verified PRP without proof (not generated)
2016-04-04	alpertron	NF-PM1	B1=500000, B2=15000000, E=12
2012-12-16	Squeeky_Squirrel	F-PM1	Factor: 5986404057297168775937
2012-09-29	dbaugh	NF	no factor from 2^70 to 2^71
2012-08-15	dbaugh	NF	no factor from 2^69 to 2^70
2012-08-02	dbaugh	NF	no factor from 2^68 to 2^69
2012-07-23	dbaugh	NF	no factor from 2^67 to 2^68
2012-07-23	dbaugh	NF	no factor from 2^66 to 2^67
2012-07-18	dbaugh	NF	no factor from 2^65 to 2^66
2012-07-18	dbaugh	NF	no factor from 2^64 to 2^65
2012-07-16	dbaugh	NF	no factor from 2^63 to 2^64
2012-07-15	dbaugh	NF	no factor from 2^62 to 2^63
2011-01-11	markr	NF-PM1	B1=90000, B2=1620000, E=6
2010-11-09	Joss	NF-PM1	B1=30000
2010-11-05	Joss	NF-PM1	B1=15000
2009-01-08	Sturle Sunde	NF	no factor from 2^61 to 2^62
2009-01-03	Sturle Sunde	NF	no factor from 2^60 to 2^61