2 999 141 Exponent Status

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

PrimeNet Exponent Status

M_n

Status

Details

Composite, with 3 known prime factors. Cofactor is composite.

Factored

Factor	Digits	Bits	Date
90358120049	11	36.4	old
454490324997407	15	48.7	2008-09-30 14:38:45
7011707903007783593	19	62.6	2016-09-08 11:18:04

ECM

Digits	B1	Curves
25	50000	113 / 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	Number of known factors	Shift	Type	Base
Verified	2017-10-27	Oliver Kruse	5DB1FF2C58D888CD	3	2809694	5	3
Verified	2017-12-10	kkmrkkblmbrbk	5DB1FF2C58D888CD	3	1661404	5	3

History

Date	User	Type	Result
2023-03-01	USAFSS	NF-PM1	B1=360000, B2=249019650
2022-03-10	LordJulius	NF	no factor from 2^66 to 2^67
2022-03-10	LordJulius	NF	no factor from 2^65 to 2^66
2022-03-10	LordJulius	NF	no factor from 2^64 to 2^65
2022-03-10	LordJulius	NF	no factor from 2^63 to 2^64
2022-01-13	Joss	NF	no factor from 2^67 to 2^68
2017-12-10	kkmrkkblmbrbk	C-PRP	M2999141/90358120049/454490324997407/7011707903007783593 : 5DB1FF2C58D888CD PRP: Verified PRP without proof (not generated)
2017-10-27	Oliver Kruse	C-PRP	M2999141/90358120049/454490324997407/7011707903007783593 : 5DB1FF2C58D888CD PRP: Verified PRP without proof (not generated)
2016-09-08	TJAOI	F	Factor: 7011707903007783593 / TF: 62-63
2008-09-30	markr	F	Factor: 454490324997407