2 599 109 Exponent Status

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

PrimeNet Exponent Status

M_n

Details

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

Trial Factored to 2⁶⁸

TF target 2⁶³

Factored

Factor	Digits	Bits	Date
20792873	8	24.3	old
1556605376843927	16	50.5	2014-03-31 01:28:00
22940531583442665833	20	64.3	2017-09-07 12:21:09

ECM

Digits	B1	Curves
25	50000	130 / 280

Estimated T-Level: 22.3 ⓘ

TF below 2^69 is very unlikely to find new factors due to ECM effort.

Status	Proof	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	PRP without proof (not generated)	2017-10-15	Oliver Kruse	4A72E3030F0484B3	3	986995	5	3
Verified	PRP without proof (not generated)	2017-12-02	storm5510	4A72E3030F0484B3	3	527329	5	3

History

Date	User	Type	Result
2022-10-03	USAFSS	NF-PM1	B1=300000, B2=313610220
2022-03-19	LordJulius	NF	no factor TF: 63-64
2022-03-19	LordJulius	NF	no factor TF: 62-63
2017-12-02	storm5510	C-PRP	M2599109/20792873/1556605376843927/22940531583442665833 : 4A72E3030F0484B3
2017-10-15	Oliver Kruse	C-PRP	M2599109/20792873/1556605376843927/22940531583442665833 : 4A72E3030F0484B3
2017-09-07	TJAOI	F	Factor: 22940531583442665833
2014-03-31	pdazzl	F	Factor: 1556605376843927 / TF: 48-54

Username
Password