2 634 419 Exponent Status

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

PrimeNet Exponent Status

M_n

Details

Composite, with 2 known prime factors. Cofactor is composite.

Trial Factored to 2⁶⁸

TF target 2⁶³

Factored

Factor	Digits	Bits	Date
920255245081	12	39.7	old
13601029913520257057	20	63.6	2017-03-14 12:26:02

ECM

Digits	B1	Curves
25	50000	208 / 280

Estimated T-Level: 23.7 ⓘ

TF below 2^74 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)	2017-10-18	Oliver Kruse	45191A8DD893FAF8	2	1195986	5	3
Verified	PRP without proof (not generated)	2017-12-02	storm5510	45191A8DD893FAF8	2	1378371	5	3

History

Date	User	Type	Result
2019-07-04	alpertron	NF-PM1	B1=2000000, B2=60000000, E=12
2017-12-02	storm5510	C-PRP	M2634419/920255245081/13601029913520257057 : 45191A8DD893FAF8
2017-10-18	Oliver Kruse	C-PRP	M2634419/920255245081/13601029913520257057 : 45191A8DD893FAF8
2017-03-14	TJAOI	F	Factor: 13601029913520257057

Username
Password