6 928 609 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
540431503	9	29.0	old
287159081432563261793	21	68.0	2024-01-15 09:53:25

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified (Factored)	2018-01-25	Oliver Kruse	B71C099E3DF2DA94	1	6427877	5	3
Verified (Factored)	2019-01-27	ATH	B71C099E3DF2DA94	1	2429999	5	3
Verified	2024-01-15	Naegi Makoto	B71C099E3DF2DA94	2	6515790	5	3

History

Date	User	Type	Result
2024-01-16	Jim Donovan	CERT	PRP Certification Proof certified good
2024-01-15	Naegi Makoto	C-PRP	M6928609/540431503/287159081432563261793 : B71C099E3DF2DA94 PRP proof power = 8 PRP: Verified Proof certified good
2024-01-15	TJAOI	F	Factor: 287159081432563261793 / TF: 67-68
2023-12-27	Stef42	NF-PM1	B1=577000, B2=1280664000
2019-01-27	ATH	C-PRP	M6928609/540431503 : B71C099E3DF2DA94 PRP: Verified (Factored) PRP without proof (not generated)
2018-01-25	Oliver Kruse	C-PRP	M6928609/540431503 : B71C099E3DF2DA94 PRP: Verified (Factored) PRP without proof (not generated)