1 322 011 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
473398918991	12	38.8	old
15076208107010403152054535281	29	93.6	2015-01-22 20:28:19

ECM

Digits	B1	Curves
25	50000	280 / 280
30	250000	105 / 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	2017-10-05	Oliver Kruse	1EB7A1A4532238AD	2	0	1	3
Verified	2017-10-23	kkmrkkblmbrbk	1EB7A1A4532238AD	2	635596	1	3

P-1 factors

Date	Factor	B1	B2
2015-01-22	15076208107010403152054535281	500000	15000000

History

Date	User	Type	Result
2017-10-23	kkmrkkblmbrbk	C-PRP	M1322011/473398918991/15076208107010403152054535281 : 1EB7A1A4532238AD PRP: Verified PRP without proof (not generated)
2017-10-05	Oliver Kruse	C-PRP	M1322011/473398918991/15076208107010403152054535281 : 1EB7A1A4532238AD PRP: Verified PRP without proof (not generated)
2017-09-30	Oliver Kruse	C-PRP	M1322011/473398918991/15076208107010403152054535281 : 1EB7A1A4532238AD PRP without proof (not generated)
2015-01-22	alpertron	F-PM1	Factor: 15076208107010403152054535281 / (P-1, B1=500000, B2=15000000, E=12)