2 590 871 Exponent Status

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

PrimeNet Exponent Status

M_n

Details

Composite, with 1 known prime factor. Cofactor is composite.

Trial Factored to 2⁶⁸

TF target 2⁶³

Factored

Factor	Digits	Bits	Date
170997487	9	27.3	old

ECM

Digits	B1	Curves
25	50000	141 / 280

Estimated T-Level: 22.5 ⓘ

TF below 2^70 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	45CDA644A9E7F175	1	2559157	5	3
Verified	PRP without proof (not generated)	2017-12-02	storm5510	45CDA644A9E7F175	1	477026	5	3

History

Date	User	Type	Result
2022-09-04	USAFSS	NF-PM1	B1=240000, B2=191586780
2017-12-02	storm5510	C-PRP	M2590871/170997487 : 45CDA644A9E7F175
2017-10-15	Oliver Kruse	C-PRP	M2590871/170997487 : 45CDA644A9E7F175

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