15 569 009 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
21666058557827000249	20	64.2	old
37646624287133763887	20	65.0	2018-05-01 09:20:32

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2023-08-10	Perig	2FCCC1AD070FA0FD	2	14549743	5	3

History

Date	User	Type	Result
2023-08-11	69-bit_color_depth	CERT	PRP Certification Proof certified good
2023-08-10	Perig	C-PRP	M15569009/21666058557827000249/37646624287133763887 : 2FCCC1AD070FA0FD PRP proof power = 8 PRP: Verified Proof certified good
2023-07-23	nordi	NF-PM1	B1=480000, B2=308477400
2023-07-04	nordi	NF-PM1	B1=480000
2022-03-27	LordJulius	NF	no factor from 2^1 to 2^64
2018-05-01	TJAOI	F	Factor: 37646624287133763887 / TF: 65-66