4 170 473 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
100091353	9	26.6	old
405509592880555207629019336711	30	98.4	2022-11-15 19:49:49

ECM

Digits	B1	Curves
25	50000	3 / 280

Estimated T-Level: 20.1 ⓘ

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

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified (Factored)	2017-11-15	Oliver Kruse	6C0E4C4360FB07E3	1	550665	5	3
Verified (Factored)	2017-12-26	kkmrkkblmbrbk	6C0E4C4360FB07E3	1	2796388	5	3
Verified	2022-11-22	junkman2usa	6C0E4C4360FB07E3	2	3924693	5	3

P-1 factors

Date	Factor	B1	B2
2022-11-15	405509592880555207629019336711	200000	108185220

History

Date	User	Type	Result
2022-11-22	junkman2usa	C-PRP	M4170473/100091353/405509592880555207629019336711 : 6C0E4C4360FB07E3 PRP: Verified PRP without proof (not generated)
2022-11-15	USAFSS	F-PM1	Factor: 405509592880555207629019336711 / (P-1, B1=200000, B2=108185220)
2017-12-26	kkmrkkblmbrbk	C-PRP	M4170473/100091353 : 6C0E4C4360FB07E3 PRP: Verified PRP without proof (not generated)
2017-11-15	Oliver Kruse	C-PRP	M4170473/100091353 : 6C0E4C4360FB07E3 PRP: Verified PRP without proof (not generated)