2 577 739 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
12914472391	11	33.6	old

ECM

Digits	B1	Curves
25	50000	88 / 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	61B626730B922525	1	2163602	5	3
Verified	PRP without proof (not generated)	2017-12-01	storm5510	61B626730B922525	1	2356941	5	3

History

Date	User	Type	Result
2022-09-03	USAFSS	NF-PM1	B1=300000, B2=235092660
2017-12-01	storm5510	C-PRP	M2577739/12914472391 : 61B626730B922525
2017-10-15	Oliver Kruse	C-PRP	M2577739/12914472391 : 61B626730B922525

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