2 604 529 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
4875678289	10	32.2	old
17439784221542327	17	54.0	2014-03-31 01:28:03

ECM

Digits	B1	Curves
25	50000	109 / 280

Estimated T-Level: 21.9 ⓘ

TF below 2^68 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	5737AF0CA61C6FEB	2	428193	5	3
Verified	PRP without proof (not generated)	2017-12-02	storm5510	5737AF0CA61C6FEB	2	1107713	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	M2604529/4875678289/17439784221542327 : 5737AF0CA61C6FEB
2017-10-15	Oliver Kruse	C-PRP	M2604529/4875678289/17439784221542327 : 5737AF0CA61C6FEB
2014-03-31	pdazzl	F	Factor: 17439784221542327 / TF: 48-54

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