6 989 357 Exponent Status

Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

M_n

Status

Details

Composite, with 2 known prime factors. Cofactor is composite.

Factored

Factor	Digits	Bits	Date
34988721143	11	35.0	old
139115073809519115799	21	66.9	2020-12-16 11:27:55

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified (Factored)	2018-02-07	Oliver Kruse	52B38A0D9677214C	1	6387898	5	3
Verified (Factored)	2019-02-19	kkmrkkblmbrbk	52B38A0D9677214C	1	6685759	5	3
Verified	2020-12-16	mrh	52B38A0D9677214C	2	3369739	5	3

History

Date	User	Type	Result
2024-01-01	Stef42	NF-PM1	B1=600000, B2=1280476890
2020-12-16	curtisc	CERT	PRP Certification Proof certified good
2020-12-16	mrh	C-PRP	M6989357/34988721143/139115073809519115799 : 52B38A0D9677214C PRP proof power = 8 PRP: Verified Proof certified good
2020-12-16	TJAOI	F	Factor: 139115073809519115799 / TF: 66-67
2019-02-19	kkmrkkblmbrbk	C-PRP	M6989357/34988721143 : 52B38A0D9677214C PRP: Verified (Factored) PRP without proof (not generated)
2018-02-07	Oliver Kruse	C-PRP	M6989357/34988721143 : 52B38A0D9677214C PRP: Verified (Factored) PRP without proof (not generated)