5 900 969 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
129514735533931545761	21	66.8	2011-06-17 07:41:58

ECM

Digits	B1	Curves
25	50000	2 / 280

Estimated T-Level: 20.0 ⓘ

TF below 2^62 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Shift
Verified (Factored)	1999-08-31	Rich Kochendarfer	4F75821C04C46389	1187478
Verified (Factored)	2000-10-28	Nick Hilliard	4F75821C04C46389	3229475

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2017-09-20	kkmrkkblmbrbk	D43E3FED75AC3E88	1	0	1	3
Verified	2018-09-11	EthanD	D43E3FED75AC3E88	1	5455565	1	3

History

Date	User	Type	Result
2018-09-11	EthanD	C-PRP	M5900969/129514735533931545761 : D43E3FED75AC3E88 PRP: Verified PRP without proof (not generated)
2017-09-20	kkmrkkblmbrbk	C-PRP	M5900969/129514735533931545761 : D43E3FED75AC3E88 PRP: Verified PRP without proof (not generated)
2011-06-17	JimBa	F-ECM	Factor: 129514735533931545761
2011-06-15	USAFSS	NF-PM1	B1=65000, B2=1105000, E=6
2009-06-12	Carsten Kossendey	NF-PM1	B1=30000, B2=427500