485 959 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
81641113	8	26.3	old
6778805149689089022463	22	72.5	2014-11-19 11:31:52
65047587850002795151553	23	75.8	2016-07-01 06:28:33

ECM

Digits	B1	Curves
25	50000	280 / 280
30	250000	200 / 640

Estimated T-Level: 26.6 ⓘ

TF below 2^83 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2017-09-27	Oliver Kruse	18A8992015EC0B7F	3	0	1	3
Verified	2017-10-13	Oliver Kruse	18A8992015EC0B7F	3	205592	1	3
Verified	2017-12-16	ATH	18A8992015EC0B7F	3	270536	1	3
Unverified (Reliable)	2020-04-18	Oliver Kruse	FFD276A39F82C7__	3	239936	5	3

P-1 factors

Date	Factor	B1	B2
2014-11-19	6778805149689089022463	3000000	100000000

History

Date	User	Type	Result
2020-04-18	Oliver Kruse	C-PRP	M485959/81641113/6778805149689089022463/65047587850002795151553 : FFD276A39F82C7__ PRP: Unverified (Reliable) PRP without proof (small exponent)
2017-12-16	ATH	C-PRP	M485959/81641113/6778805149689089022463/65047587850002795151553 : 18A8992015EC0B7F PRP: Unverified (Reliable) PRP without proof (small exponent)
2017-10-13	Oliver Kruse	C-PRP	M485959/81641113/6778805149689089022463/65047587850002795151553 : 18A8992015EC0B7F PRP: Unverified (Reliable) PRP without proof (small exponent)
2017-09-27	Oliver Kruse	C-PRP	M485959/81641113/6778805149689089022463/65047587850002795151553 : 18A8992015EC0B7F PRP: Unverified (Reliable) PRP without proof (not generated)
2017-09-26	Oliver Kruse	C-PRP	M485959/81641113/6778805149689089022463/65047587850002795151553 : 18A8992015EC0B7F PRP without proof (not generated)
2016-07-01	TJAOI	F-ECM	Factor: 65047587850002795151553 / (ECM curve 86, B1=50000, B2=5000000)
2014-11-19	alpertron	F-PM1	Factor: 6778805149689089022463 / (P-1, B1=3000000, B2=100000000, E=12)