6 618 553 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
176432302825297	15	47.3	old

Status	Proof	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	PRP without proof (not generated)	2017-12-29	Oliver Kruse	9FC71FBD027EC743	1	5804046	5	3
Verified	PRP without proof (not generated)	2018-11-06	storm5510	9FC71FBD027EC743	1	767114	5	3

History

Date	User	Type	Result
2023-12-08	Stef42	NF-PM1	B1=110000, B2=181000050
2018-11-06	storm5510	C-PRP	M6618553/176432302825297 : 9FC71FBD027EC743
2017-12-29	Oliver Kruse	C-PRP	M6618553/176432302825297 : 9FC71FBD027EC743

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