1 800 803 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
3601607	7	21.8	old
4551684249536860312241	22	71.9	2020-06-29 12:36:25

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	348D14320924D4BC	1	0	1	3
Verified (Factored)	2017-11-05	ATH	348D14320924D4BC	1	1193682	1	3
Verified	2020-06-29	M Miller	79ED9B22D4CCE41D	2	463148	5	3
Verified	2020-07-01	daveward2005	79ED9B22D4CCE41D	2	1306946	5	3

History

Date	User	Type	Result
2020-07-01	daveward2005	C-PRP	M1800803/3601607/4551684249536860312241 : 79ED9B22D4CCE41D PRP: Verified PRP without proof (not generated)
2020-06-29	M Miller	C-PRP	M1800803/3601607/4551684249536860312241 : 79ED9B22D4CCE41D PRP: Verified PRP without proof (not generated)
2020-06-29	nordi	F-ECM	Factor: 4551684249536860312241 / (ECM curve 1, B1=50000, B2=5000000, Sigma=813830048497444)
2017-11-05	ATH	C-PRP	M1800803/3601607 : 348D14320924D4BC PRP: Verified PRP without proof (not generated)
2017-10-03	Oliver Kruse	C-PRP	M1800803/3601607 : 348D14320924D4BC PRP: Verified PRP without proof (not generated)
2016-03-16	alpertron	NF-PM1	B1=500000, B2=15000000, E=12