6 726 581 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
1183878257	10	30.1	old

Status	Proof	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	PRP without proof (not generated)	2018-01-06	Oliver Kruse	FA7E78A4830461BB	1	3851989	5	3
Verified	PRP without proof (not generated)	2018-12-04	storm5510	FA7E78A4830461BB	1	4942082	5	3

History

Date	User	Type	Result
2023-12-23	Stef42	NF-PM1	B1=281000, B2=458012100
2018-12-04	storm5510	C-PRP	M6726581/1183878257 : FA7E78A4830461BB
2018-01-06	Oliver Kruse	C-PRP	M6726581/1183878257 : FA7E78A4830461BB

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