1 835 027 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
5272194053377	13	42.3	old
164622786156991	15	47.2	2008-08-26 20:20:06
4577049121661501351256367063	28	91.9	2020-09-08 22:50:34

ECM

Digits	B1	Curves
25	50000	280 / 280
30	250000	106 / 640

Estimated T-Level: 25.8 ⓘ

TF below 2^81 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified (Factored)	2017-10-04	Oliver Kruse	7979FA85A2514E7A	2	0	1	3
Verified (Factored)	2017-11-06	kkmrkkblmbrbk	7979FA85A2514E7A	2	699506	1	3
Verified	2020-09-09	M Miller	B9C382258049E840	3	202472	5	3

History

Date	User	Type	Result
2020-09-09	ky0uraku	CERT	PRP Certification Proof certified good
2020-09-09	M Miller	C-PRP	M1835027/5272194053377/164622786156991/4577049121661501351256367063 : B9C382258049E840 PRP proof power = 7 PRP: Verified Proof certified good
2020-09-08	Chang Chia-Tche	F-ECM	Factor: 4577049121661501351256367063 / (ECM curve 4, B1=50000, B2=5000000)
2017-11-06	kkmrkkblmbrbk	C-PRP	M1835027/5272194053377/164622786156991 : 7979FA85A2514E7A PRP: Verified (Factored) PRP without proof (not generated)
2017-10-04	Oliver Kruse	C-PRP	M1835027/5272194053377/164622786156991 : 7979FA85A2514E7A PRP: Verified (Factored) PRP without proof (not generated)
2016-03-16	alpertron	NF-PM1	B1=500000, B2=15000000, E=12
2008-08-26	-Anonymous-	F	Factor: 164622786156991