14 879 057 Exponent Status

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

PrimeNet Exponent Status

M_n

Status

Details

Factored

Factor	Digits	Bits	Date
7533377654587348222972351	25	82.6	2016-11-10 19:27:56

ECM

Digits	B1	Curves
25	50000	1 / 280

Estimated T-Level: 20.0 ⓘ

TF below 2^61 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Shift
Verified (Factored)	2002-04-28	Dariusz Kosakowski	228F0DA72A4E731F	13520723
Verified (Factored)	2006-02-01	Barry Delello	228F0DA72A4E731F	348316

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2023-05-19	Perig	A0AA80FB36411C79	1	9697918	5	3

History

Date	User	Type	Result
2023-05-19	curtisc	CERT	PRP Certification Proof certified good
2023-05-19	Perig	C-PRP	M14879057/7533377654587348222972351 : A0AA80FB36411C79 PRP proof power = 8 PRP: Verified Proof certified good
2023-05-11	nordi	NF-PM1	B1=300000, B2=213802050
2023-02-15	nordi	NF-PM1	B1=300000
2016-11-10	Sergey Nosov	F-ECM	Factor: 7533377654587348222972351 / (ECM curve 1, B1=50000, B2=5000000)
2016-03-16	Mark Rose	NF	no factor from 2^65 to 2^66
2015-10-18	Nesowa	NF	no factor from 2^66 to 2^67