2 489 909 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
34858727	8	25.1	old
751952519	9	29.5	2008-07-14 20:24:18

ECM

Digits	B1	Curves
25	50000	132 / 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)	2017-10-14	Oliver Kruse	46864ED8D9F2F65E	2	1724382	5	3
Verified	PRP without proof (not generated)	2017-11-30	storm5510	46864ED8D9F2F65E	2	1922725	5	3

History

Date	User	Type	Result
2022-08-19	USAFSS	NF-PM1	B1=224000, B2=203668920
2017-11-30	storm5510	C-PRP	M2489909/34858727/751952519 : 46864ED8D9F2F65E
2017-10-14	Oliver Kruse	C-PRP	M2489909/34858727/751952519 : 46864ED8D9F2F65E
2008-07-14	George Woltman	F-ECM	Factor: 751952519

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