6 550 981 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 2⁶⁷

Factored

Factor	Digits	Bits	Date
414805745464879	15	48.6	old

Status	Proof	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	PRP without proof (not generated)	2017-12-26	Oliver Kruse	76340E53C11C659A	1	5025589	5	3
Verified	PRP without proof (not generated)	2018-10-16	storm5510	76340E53C11C659A	1	4718458	5	3

History

Date	User	Type	Result
2023-12-02	Stef42	NF-PM1	B1=113000, B2=175622370
2018-10-16	storm5510	C-PRP	M6550981/414805745464879 : 76340E53C11C659A
2017-12-26	Oliver Kruse	C-PRP	M6550981/414805745464879 : 76340E53C11C659A

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