1 782 167 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
352954610017	12	38.4	old
129957646671904315169887	24	76.8	2020-07-19 19:16:14

ECM

Digits	B1	Curves
25	50000	280 / 280
30	250000	107 / 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)	2017-10-03	Oliver Kruse	AC70106F7F8A70EA	1	0	1	3
Verified (Factored)	2017-11-04	ATH	AC70106F7F8A70EA	1	1523726	1	3
Verified	2020-07-22	Sébastien BROUCKE	9ABA258421995980	2	1024906	5	3
Verified	2020-07-22	Bommer	9ABA258421995980	2	150379	5	3

History

Date	User	Type	Result
2020-07-22	Bommer	C-PRP	M1782167/352954610017/129957646671904315169887 : 9ABA258421995980 PRP: Verified PRP without proof (not generated)
2020-07-22	Sébastien BROUCKE	C-PRP	M1782167/352954610017/129957646671904315169887 : 9ABA258421995980 PRP: Verified PRP without proof (not generated)
2020-07-19	nordi	F-ECM	Factor: 129957646671904315169887 / (ECM curve 2, B1=50000, B2=5000000, Sigma=7046002340758157)
2017-11-04	ATH	C-PRP	M1782167/352954610017 : AC70106F7F8A70EA PRP: Verified PRP without proof (not generated)
2017-10-03	Oliver Kruse	C-PRP	M1782167/352954610017 : AC70106F7F8A70EA PRP: Verified PRP without proof (not generated)
2016-03-16	alpertron	NF-PM1	B1=500000, B2=15000000, E=12