1 831 267 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
29300273	8	24.8	old
62263079	8	25.9	2008-07-15 07:47:11
3075423205607086164991	22	71.4	2020-05-24 23:18:13

ECM

Digits	B1	Curves
25	50000	280 / 280
30	250000	106 / 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	E9790DF43172F4AB	2	0	1	3
Verified (Factored)	2017-11-06	ATH	E9790DF43172F4AB	2	802604	1	3
Verified	2020-05-25	M Miller	95B769A124057C6A	3	544917	5	3
Verified	2020-05-25	marssystems	95B769A124057C6A	3	1153332	5	3

History

Date	User	Type	Result
2020-05-25	marssystems	C-PRP	M1831267/29300273/62263079/3075423205607086164991 : 95B769A124057C6A PRP: Verified PRP without proof (not generated)
2020-05-25	M Miller	C-PRP	M1831267/29300273/62263079/3075423205607086164991 : 95B769A124057C6A PRP: Verified PRP without proof (not generated)
2020-05-24	nordi	F-ECM	Factor: 3075423205607086164991 / (ECM curve 12, B1=50000, B2=5000000, Sigma=8844059920253580)
2017-11-06	ATH	C-PRP	M1831267/29300273/62263079 : E9790DF43172F4AB PRP: Verified PRP without proof (not generated)
2017-10-04	Oliver Kruse	C-PRP	M1831267/29300273/62263079 : E9790DF43172F4AB PRP: Verified PRP without proof (not generated)
2016-03-16	alpertron	NF-PM1	B1=500000, B2=15000000, E=12
2008-07-15	J Feitsma	F	Factor: 62263079