1 749 359 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
1519087376113	13	40.5	old
125802825402698830807	21	66.8	2020-06-06 09:39:25

ECM

Digits	B1	Curves
25	50000	280 / 280
30	250000	108 / 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	DE509FC8D623ED0C	1	0	1	3
Verified (Factored)	2017-11-03	kkmrkkblmbrbk	DE509FC8D623ED0C	1	572454	1	3
Verified	2020-06-06	M Miller	8F9C9C92AAE358AC	2	1061228	5	3
Verified	2020-06-10	Team_Inspector	8F9C9C92AAE358AC	2	1174974	5	3

History

Date	User	Type	Result
2020-06-10	Team_Inspector	C-PRP	M1749359/1519087376113/125802825402698830807 : 8F9C9C92AAE358AC PRP: Verified PRP without proof (not generated)
2020-06-06	M Miller	C-PRP	M1749359/1519087376113/125802825402698830807 : 8F9C9C92AAE358AC PRP: Verified PRP without proof (not generated)
2020-06-06	nordi	F-ECM	Factor: 125802825402698830807 / (ECM curve 3, B1=50000, B2=5000000, Sigma=3352306271036128)
2017-11-03	kkmrkkblmbrbk	C-PRP	M1749359/1519087376113 : DE509FC8D623ED0C PRP: Verified PRP without proof (not generated)
2017-10-03	Oliver Kruse	C-PRP	M1749359/1519087376113 : DE509FC8D623ED0C PRP: Verified PRP without proof (not generated)
2016-03-16	alpertron	NF-PM1	B1=500000, B2=15000000, E=12