2 263 829 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
18110633	8	24.1	old
40075930059152639	17	55.2	2015-01-09 15:24:39
3624513326316684074952673	25	81.6	2016-04-19 22:51:18

ECM

Digits	B1	Curves
25	50000	80 / 280

Estimated T-Level: 21.4 ⓘ

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)	2017-10-10	Oliver Kruse	0EE8B3100C425292	1	0	1	3
Verified	2017-10-18	Oliver Kruse	98532A02BC6AD727	3	1776114	5	3
Verified	2017-11-21	KALEIDOSCORE	98532A02BC6AD727	3	632650	5	3

P-1 factors

Date	Factor	B1	B2
2016-04-19	3624513326316684074952673	500000	15000000

History

Date	User	Type	Result
2017-11-21	KALEIDOSCORE	C-PRP	M2263829/18110633/40075930059152639/3624513326316684074952673 : 98532A02BC6AD727 PRP: Verified PRP without proof (not generated)
2017-10-18	Oliver Kruse	C-PRP	M2263829/18110633/40075930059152639/3624513326316684074952673 : 98532A02BC6AD727 PRP: Verified PRP without proof (not generated)
2017-10-10	Oliver Kruse	C-PRP	M2263829/known_factors : 0EE8B3100C425292 PRP: Verified PRP without proof (not generated)
2016-04-19	alpertron	F-PM1	Factor: 3624513326316684074952673 / (P-1, B1=500000, B2=15000000, E=12)
2015-01-09	TJAOI	F	Factor: 40075930059152639 / TF: 55-56