13 828 261 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
1979553586274192263311048622055057969	37	120.6	2011-03-03 21:53:46

Status	Date	User	Residue	Shift
Verified (Factored)	2002-01-22	David Barley	A6C37E1506FB8119	505459
Verified (Factored)	2005-04-02	Rick Cummings	A6C37E1506FB8119	1440475

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2020-06-08	M Miller	A9CBEB0A2D2D890E	1	262657	5	3
Verified	2020-10-01	Jaytholomew	A9CBEB0A2D2D890E	1	13555582	5	3

History

Date	User	Type	Result
2020-10-01	curtisc	CERT	PRP Certification Proof certified good
2020-10-01	Jaytholomew	C-PRP	M13828261/1979553586274192263311048622055057969 : A9CBEB0A2D2D890E PRP proof power = 8 PRP: Verified Proof certified good
2020-06-08	M Miller	C-PRP	M13828261/1979553586274192263311048622055057969 : A9CBEB0A2D2D890E PRP: Verified PRP without proof (not generated)
2011-03-03	Carsten Kossendey	F-PM1	Factor: 1979553586274192263311048622055057969