366 077 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
11521464429557076557609	23	73.3	2007-08-28 16:42:27
61561440301168185927247	23	75.7	2015-11-27 11:29:23

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	2017-09-23	Oliver Kruse	8AEB7DAD9C47AF4B	2	0	1	3
Verified	2017-10-13	kkmrkkblmbrbk	8AEB7DAD9C47AF4B	2	156333	1	3
Unverified (Reliable)	2020-04-18	Oliver Kruse	68C329A723CC90__	2	290405	5	3

History

Date	User	Type	Result
2024-02-16	Denial140	NF-PM1	B1=1000000, B2=2274569220
2022-03-07	LordJulius	NF	no factor from 2^54 to 2^55
2020-04-18	Oliver Kruse	C-PRP	M366077/11521464429557076557609/61561440301168185927247 : 68C329A723CC90__ PRP: Unverified (Reliable) PRP without proof (small exponent)
2017-10-13	kkmrkkblmbrbk	C-PRP	M366077/11521464429557076557609/61561440301168185927247 : 8AEB7DAD9C47AF4B PRP: Unverified (Reliable) PRP without proof (small exponent)
2017-09-23	Oliver Kruse	C-PRP	M366077/known_factors : 8AEB7DAD9C47AF4B PRP without proof (not generated)
2015-11-27	TJAOI	F-ECM	Factor: 61561440301168185927247 / (ECM curve 51, B1=50000, B2=5000000)
2007-08-28	Team_Bundu	F-ECM	Factor: 11521464429557076557609