2 422 561 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
1216125623	10	30.2	old
96348809862031610047	20	66.4	2018-07-25 13:30:20

ECM

Digits	B1	Curves
25	50000	66 / 280

Estimated T-Level: 21.2 ⓘ

TF below 2^65 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified (Factored)	2017-10-13	Oliver Kruse	F8166C0D880E233C	1	689496	5	3
Verified (Factored)	2017-11-27	kkmrkkblmbrbk	F8166C0D880E233C	1	126331	5	3
Verified	2018-07-31	_p95holder_	F8166C0D880E233C	2	565338	5	3

P-1 factors

Date	Factor	B1	B2
2018-07-25	96348809862031610047	2000000	60000000

History

Date	User	Type	Result
2018-07-31	_p95holder_	C-PRP	M2422561/1216125623/96348809862031610047 : F8166C0D880E233C PRP: Verified PRP without proof (not generated)
2018-07-25	alpertron	F-PM1	Factor: 96348809862031610047 / (P-1, B1=2000000, B2=60000000, E=12)
2017-11-27	kkmrkkblmbrbk	C-PRP	M2422561/1216125623 : F8166C0D880E233C PRP: Verified PRP without proof (not generated)
2017-10-13	Oliver Kruse	C-PRP	M2422561/1216125623 : F8166C0D880E233C PRP: Verified PRP without proof (not generated)