6 751 021 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 2⁶⁷

Factored

Factor	Digits	Bits	Date
310546967	9	28.2	old
28113519787057	14	44.7	2008-09-30 21:53:28

Status	Proof	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	PRP without proof (not generated)	2018-01-07	Oliver Kruse	7EE561D4B1BCE5B6	2	5998826	5	3
Verified	PRP without proof (not generated)	2018-12-10	storm5510	7EE561D4B1BCE5B6	2	1862492	5	3

History

Date	User	Type	Result
2023-12-23	Stef42	NF-PM1	B1=284000, B2=449085000
2018-12-10	storm5510	C-PRP	M6751021/310546967/28113519787057 : 7EE561D4B1BCE5B6
2018-01-07	Oliver Kruse	C-PRP	M6751021/310546967/28113519787057 : 7EE561D4B1BCE5B6
2008-09-30	markr	F	Factor: 28113519787057

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