2 356 411 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
23564111	8	24.5	old
4146456333376843751	19	61.8	2016-06-06 11:30:41
13028987589289930492617511931565180401	38	123.3	2018-04-13 12:27:15

ECM

Digits	B1	Curves
25	50000	72 / 280

Estimated T-Level: 21.3 ⓘ

TF below 2^66 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified (Factored)	2017-10-12	Oliver Kruse	CCCFDDB9C319FD1A	2	0	1	3
Verified (Factored)	2017-11-30	kkmrkkblmbrbk	CCCFDDB9C319FD1A	2	2045644	1	3
Verified	2018-04-14	_p95holder_	3CCAB3205C6B1201	3	1484046	5	3
Verified	2018-04-17	Oliver Kruse	3CCAB3205C6B1201	3	501033	5	3

P-1 factors

Date	Factor	B1	B2
2018-04-13	13028987589289930492617511931565180401	2000000	60000000

History

Date	User	Type	Result
2018-04-17	Oliver Kruse	C-PRP	M2356411/23564111/4146456333376843751/13028987589289930492617511931565180401 : 3CCAB3205C6B1201 PRP: Verified PRP without proof (not generated)
2018-04-14	_p95holder_	C-PRP	M2356411/23564111/4146456333376843751/13028987589289930492617511931565180401 : 3CCAB3205C6B1201 PRP: Verified PRP without proof (not generated)
2018-04-13	alpertron	F-PM1	Factor: 13028987589289930492617511931565180401 / (P-1, B1=2000000, B2=60000000, E=12)
2017-11-30	kkmrkkblmbrbk	C-PRP	M2356411/23564111/4146456333376843751 : CCCFDDB9C319FD1A PRP: Verified PRP without proof (not generated)
2017-10-12	Oliver Kruse	C-PRP	M2356411/23564111/4146456333376843751 : CCCFDDB9C319FD1A PRP: Verified PRP without proof (not generated)
2016-06-06	TJAOI	F	Factor: 4146456333376843751 / TF: 61-62