1 836 059 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
58753889	8	25.8	old
47727418861740368922553	23	75.3	2019-01-04 08:23:17
98503337005065459273647	23	76.4	2020-10-13 21:47:05

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	43CFF17626423B51	1	0	1	3
Verified (Factored)	2017-11-06	kkmrkkblmbrbk	43CFF17626423B51	1	796738	1	3
Verified (Factored)	2019-01-05	GunnarLu	9C5D245E7A3F0CDC	2	690074	5	3
Verified (Factored)	2019-01-06	kkmrkkblmbrbk	9C5D245E7A3F0CDC	2	1111544	5	3
Verified	2020-10-14	mrh	9C5D245E7A3F0CDC	3	1343976	5	3

History

Date	User	Type	Result
2020-10-14	mrh	C-PRP	M1836059/58753889/47727418861740368922553/98503337005065459273647 : 9C5D245E7A3F0CDC PRP: Verified PRP without proof (not generated)
2020-10-13	nordi	F-ECM	Factor: 98503337005065459273647 / (ECM curve 1, B1=50000, B2=5000000, Sigma=8980999696263336)
2019-01-06	kkmrkkblmbrbk	C-PRP	M1836059/58753889/47727418861740368922553 : 9C5D245E7A3F0CDC PRP: Verified PRP without proof (not generated)
2019-01-05	GunnarLu	C-PRP	M1836059/58753889/47727418861740368922553 : 9C5D245E7A3F0CDC PRP: Verified PRP without proof (not generated)
2019-01-04	Chang Chia-Tche	F-ECM	Factor: 47727418861740368922553 / (ECM curve 2, B1=50000, B2=5000000)
2017-11-06	kkmrkkblmbrbk	C-PRP	M1836059/58753889 : 43CFF17626423B51 PRP: Verified PRP without proof (not generated)
2017-10-04	Oliver Kruse	C-PRP	M1836059/58753889 : 43CFF17626423B51 PRP: Verified PRP without proof (not generated)
2016-03-16	alpertron	NF-PM1	B1=500000, B2=15000000, E=12