2 590 837 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
9166631083413497	16	53.0	old

ECM

Digits	B1	Curves
25	50000	90 / 280

Estimated T-Level: 21.6 ⓘ

TF below 2^67 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	983FB4DB007BC448	1	338585	5	3
Verified	PRP without proof (not generated)	2017-12-02	storm5510	983FB4DB007BC448	1	1137787	5	3

History

Date	User	Type	Result
2022-09-04	USAFSS	NF-PM1	B1=240000, B2=191586780
2017-12-02	storm5510	C-PRP	M2590837/9166631083413497 : 983FB4DB007BC448
2017-10-15	Oliver Kruse	C-PRP	M2590837/9166631083413497 : 983FB4DB007BC448

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