1 484 501 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
583394047991	12	39.1	old
2536296679519	13	41.2	2008-07-15 10:01:54
161633760701403906563162113	27	87.1	2023-11-24 17:36:01

ECM

Digits	B1	Curves
25	50000	280 / 280
30	250000	105 / 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)	2017-10-01	Oliver Kruse	F18C89420D6A011B	2	0	1	3
Verified (Factored)	2017-10-28	kkmrkkblmbrbk	F18C89420D6A011B	2	14786	1	3
Verified	2023-11-24	Anton Tsvetkov	865913902FEAFA1E	3	1418202	5	3

P-1 factors

Date	Factor	B1	B2
2023-11-24	161633760701403906563162113	5000000	1003748460

History

Date	User	Type	Result
2023-11-24	curtisc	CERT	PRP Certification Proof certified good
2023-11-24	Anton Tsvetkov	C-PRP	M1484501/583394047991/2536296679519/161633760701403906563162113 : 865913902FEAFA1E PRP proof power = 6 PRP: Verified Proof certified good
2023-11-24	Anton Tsvetkov	F-PM1	Factor: 161633760701403906563162113 / (P-1, B1=5000000, B2=1003748460)
2017-10-28	kkmrkkblmbrbk	C-PRP	M1484501/583394047991/2536296679519 : F18C89420D6A011B PRP: Verified (Factored) PRP without proof (not generated)
2017-10-01	Oliver Kruse	C-PRP	M1484501/583394047991/2536296679519 : F18C89420D6A011B PRP: Verified (Factored) PRP without proof (not generated)
2016-03-17	alpertron	NF-PM1	B1=500000, B2=15000000, E=12
2008-07-15	J Feitsma	F	Factor: 2536296679519