2 244 859 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
130201823	9	27.0	old
143670977	9	27.1	2008-07-14 20:22:18
38360150593	11	35.2	2008-07-14 20:22:18
79700444282906760913343	23	76.1	2018-01-23 10:45:18

ECM

Digits	B1	Curves
25	50000	90 / 280

Estimated T-Level: 21.6 ⓘ

TF below 2^67 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified (Factored)	2017-10-10	Chang Chia-Tche	A787733EA6238D75	3	0	1	3
Verified (Factored)	2017-10-28	Oliver Kruse	A787733EA6238D75	3	1752249	1	3
Verified	2018-01-25	Squeeky_Squirrel	296D1AC287344EB4	4	1853488	5	3
Verified	2018-01-28	Oliver Kruse	296D1AC287344EB4	4	1122004	5	3

History

Date	User	Type	Result
2018-01-28	Oliver Kruse	C-PRP	M2244859/130201823/143670977/38360150593/79700444282906760913343 : 296D1AC287344EB4 PRP: Verified PRP without proof (not generated)
2018-01-25	Squeeky_Squirrel	C-PRP	M2244859/130201823/143670977/38360150593/79700444282906760913343 : 296D1AC287344EB4 PRP: Verified PRP without proof (not generated)
2018-01-23	Oliver Kruse	F-ECM	Factor: 79700444282906760913343 / (ECM curve 2, B1=50000, B2=5000000)
2017-10-28	Oliver Kruse	C-PRP	M2244859/130201823/143670977/38360150593 : A787733EA6238D75 PRP: Verified PRP without proof (not generated)
2017-10-10	Chang Chia-Tche	C-PRP	M2244859/130201823/143670977/38360150593 : A787733EA6238D75 PRP: Verified PRP without proof (not generated)
2016-04-28	alpertron	NF-PM1	B1=500000, B2=15000000, E=12
2008-07-14	George Woltman	F-ECM	Factor: 38360150593
2008-07-14	George Woltman	F-ECM	Factor: 143670977