2 576 003 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
18531765583	11	34.1	old

ECM

Digits	B1	Curves
25	50000	135 / 280

Estimated T-Level: 22.4 ⓘ

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	F2761E2D7BF928C0	1	1224894	5	3
Verified	PRP without proof (not generated)	2017-12-01	storm5510	F2761E2D7BF928C0	1	263447	5	3

History

Date	User	Type	Result
2022-09-02	USAFSS	NF-PM1	B1=300000, B2=235092660
2017-12-01	storm5510	C-PRP	M2576003/18531765583 : F2761E2D7BF928C0
2017-10-15	Oliver Kruse	C-PRP	M2576003/18531765583 : F2761E2D7BF928C0

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