2 403 029 Exponent Status

Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

M_n

Status

Details

Composite, with 5 known prime factors. Cofactor is composite.

Factored

Factor	Digits	Bits	Date
52532170005607	14	45.6	old
6624915720491191	16	52.6	2014-08-16 11:45:31
19381049856875984177	20	64.1	2017-07-11 18:08:48
63867007023171048377	20	65.8	2018-07-24 08:38:56
2339237754851236001624711	25	81.0	2018-07-24 08:38:56

ECM

Digits	B1	Curves
25	50000	99 / 280

Estimated T-Level: 21.8 ⓘ

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)	2017-09-28	alpertron	FBF89F931D81D35F	3	0	1	3
Verified (Factored)	2017-11-03	Oliver Kruse	FBF89F931D81D35F	3	1387008	1	3
Verified	2018-07-26	_p95holder_	18B6B0AB1BE9FDD1	5	519620	5	3
Verified	2018-07-29	Chang Chia-Tche	18B6B0AB1BE9FDD1	5	934445	5	3

P-1 factors

Date	Factor	B1	B2
2018-07-24	149400114117950764857380284641867229179644047	2000000	60000000

History

Date	User	Type	Result
2018-07-29	Chang Chia-Tche	C-PRP	M2403029/52532170005607/6624915720491191/19381049856875984177/2339237754851236001624711/63867007023171048377 : 18B6B0AB1BE9FDD1 PRP: Verified PRP without proof (not generated)
2018-07-26	_p95holder_	C-PRP	M2403029/52532170005607/6624915720491191/19381049856875984177/2339237754851236001624711/63867007023171048377 : 18B6B0AB1BE9FDD1 PRP: Verified PRP without proof (not generated)
2018-07-24	alpertron	F-PM1	Factor: 149400114117950764857380284641867229179644047 / (P-1, B1=2000000, B2=60000000, E=12)
2017-11-03	Oliver Kruse	C-PRP	M2403029/52532170005607/6624915720491191/19381049856875984177 : FBF89F931D81D35F PRP: Verified PRP without proof (not generated)
2017-09-28	alpertron	C-PRP	M2403029/19381049856875984177/52532170005607/6624915720491191 : FBF89F931D81D35F PRP: Verified PRP without proof (not generated)
2017-07-11	TJAOI	F	Factor: 19381049856875984177 / TF: 64-65
2014-08-16	TJAOI	F	Factor: 6624915720491191