17 215 213 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
2489423091079	13	41.2	old
5723544366202907943271	22	72.3	2024-08-16 05:35:16

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2024-09-22	Luke Durant	64604F177ADC4BF6	2	2871611	5	3

P-1 factors

Date	Factor	B1	B2
2024-08-16	5723544366202907943271	500000	254324994

History

Date	User	Type	Result
2024-09-22	George Woltman	CERT	PRP Certification Proof certified good
2024-09-22	Luke Durant	C-PRP	M17215213/2489423091079/5723544366202907943271 : 64604F177ADC4BF6 PRP proof power = 8 PRP: Verified Proof certified good
2024-08-16	nordi	F-PM1	Factor: 5723544366202907943271 / (P-1, B1=500000, B2=254324994)
2024-05-06	nordi	NF-PM1	B1=500000