2 059 777 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
222764882551	12	37.7	old
451684378777	12	38.7	2008-07-15 07:49:53
490122568641016137857	21	68.7	2022-06-11 07:45:41

ECM

Digits	B1	Curves
25	50000	108 / 280

Estimated T-Level: 21.9 ⓘ

TF below 2^68 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified (Factored)	2017-10-06	Oliver Kruse	5D8C3795EE12AE14	2	0	1	3
Verified (Factored)	2017-11-16	kkmrkkblmbrbk	5D8C3795EE12AE14	2	44231	1	3
Verified	2022-06-13	_p95holder_	25922D4FB75DD4B9	3	42270	5	3
Verified	2022-06-19	XZT	25922D4FB75DD4B9	3	1216063	5	3

History

Date	User	Type	Result
2022-06-19	curtisc	CERT	PRP Certification Proof certified good
2022-06-19	XZT	C-PRP	M2059777/222764882551/451684378777/490122568641016137857 : 25922D4FB75DD4B9 PRP proof power = 7 PRP: Verified Proof certified good
2022-06-13	_p95holder_	C-PRP	M2059777/222764882551/451684378777/490122568641016137857 : 25922D4FB75DD4B9 PRP: Verified PRP without proof (not generated)
2022-06-11	_p95holder_	F-ECM	Factor: 490122568641016137857 / (ECM curve 3, B1=50000, B2=5000000)
2017-11-16	kkmrkkblmbrbk	C-PRP	M2059777/222764882551/451684378777 : 5D8C3795EE12AE14 PRP: Verified PRP without proof (not generated)
2017-10-06	Oliver Kruse	C-PRP	M2059777/222764882551/451684378777 : 5D8C3795EE12AE14 PRP: Verified PRP without proof (not generated)
2016-03-16	alpertron	NF-PM1	B1=500000, B2=15000000, E=12
2008-07-15	J Feitsma	F	Factor: 451684378777