1 828 531 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
687527657	9	29.4	old
912063790789427109758535073	27	89.6	2020-06-20 05:07:06

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)	2017-10-04	Oliver Kruse	35E2447724B29196	1	0	1	3
Verified (Factored)	2017-11-06	kkmrkkblmbrbk	35E2447724B29196	1	1598319	1	3
Verified	2020-06-20	M Miller	7FDEF38E74ABD59F	2	1073080	5	3
Verified	2020-06-21	marssystems	7FDEF38E74ABD59F	2	1120463	5	3

History

Date	User	Type	Result
2020-06-21	marssystems	C-PRP	M1828531/687527657/912063790789427109758535073 : 7FDEF38E74ABD59F PRP: Verified PRP without proof (not generated)
2020-06-20	M Miller	C-PRP	M1828531/687527657/912063790789427109758535073 : 7FDEF38E74ABD59F PRP: Verified PRP without proof (not generated)
2020-06-20	nordi	F-ECM	Factor: 912063790789427109758535073 / (ECM curve 1, B1=50000, B2=5000000, Sigma=2851891889312364)
2017-11-06	kkmrkkblmbrbk	C-PRP	M1828531/687527657 : 35E2447724B29196 PRP: Verified PRP without proof (not generated)
2017-10-04	Oliver Kruse	C-PRP	M1828531/687527657 : 35E2447724B29196 PRP: Verified PRP without proof (not generated)
2016-03-16	alpertron	NF-PM1	B1=500000, B2=15000000, E=12