14 401 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
11913945416781811886807	23	73.3	old

ECM

Digits	B1	Curves
25	50000	280 / 280
30	250000	640 / 640
35	1000000	1566 / 1566
40	3000000	4588 / 4588
45	11000000	1263 / 9201

Estimated T-Level: 40.7 ⓘ

TF below 2^130 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2017-09-21	Oliver Kruse	9D0C11CB1B5F703B	1	0	1	3
Verified	2017-10-12	kkmrkkblmbrbk	9D0C11CB1B5F703B	1	7610	1	3
Unverified	2020-04-17	Oliver Kruse	B5240D9FC5FAF8__	1	5113	5	3

P-1 factors

Date	Factor	B1	B2
2024-02-09	11913945416781811886807	100000000000	122154521813133808

History

Date	User	Type	Result
2024-02-09	-Anonymous-	F-PM1	Factor: 11913945416781811886807 / (P-1, B1=100000000000, B2=122154521813133810)
2023-05-25	JacobZ	NF-PM1	B1=7600000000, B2=30020805351537000
2022-01-24	Ethan O'Connor	NF-PM1	B1=1000000000, B2=3088390743498060
2020-04-17	Oliver Kruse	C-PRP	M14401/11913945416781811886807 : B5240D9FC5FAF8__ PRP without proof (small exponent)
2017-10-12	kkmrkkblmbrbk	C-PRP	M14401/11913945416781811886807 : 9D0C11CB1B5F703B PRP without proof (not generated)
2017-09-21	Oliver Kruse	C-PRP	M14401/11913945416781811886807 : 9D0C11CB1B5F703B PRP without proof (not generated)
2017-09-21	Oliver Kruse	C-PRP	M14401/11913945416781811886807 : 9D0C11CB1B5F703B PRP without proof (not generated)