14 897 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
36791042363017	14	45.1	old

ECM

Digits	B1	Curves
25	50000	280 / 280
30	250000	640 / 640
35	1000000	1566 / 1566
40	3000000	4588 / 4588
45	11000000	1271 / 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	09B9BB885699E2E5	1	0	1	3
Verified	2017-10-12	kkmrkkblmbrbk	09B9BB885699E2E5	1	12482	1	3
Unverified	2020-04-17	Oliver Kruse	E7D891EAA5A23B__	1	805	5	3

P-1 factors

Date	Factor	B1	B2
2022-03-17	36791042363017	100000000	1000000000

History

Date	User	Type	Result
2024-03-07	-Anonymous-	NF-PM1	B1=100000000000, B2=122154521813133810
2023-05-27	JacobZ	NF-PM1	B1=7300000000, B2=30020805351537000
2023-05-03	Rubiksmath	NF-PM1	B1=1000000000, B2=138858338138520
2022-03-17	onlinegame	F-PM1	Factor: 36791042363017 / (P-1, B1=100000000, B2=1000000000, E=12)
2022-02-06	Lisander Viaene	NF-PM1	B1=50000
2020-04-17	Oliver Kruse	C-PRP	M14897/36791042363017 : E7D891EAA5A23B__ PRP without proof (small exponent)
2017-10-12	kkmrkkblmbrbk	C-PRP	M14897/36791042363017 : 09B9BB885699E2E5 PRP without proof (not generated)
2017-09-21	Oliver Kruse	C-PRP	M14897/36791042363017 : 09B9BB885699E2E5 PRP without proof (not generated)
2017-09-21	Oliver Kruse	C-PRP	M14897/36791042363017 : 09B9BB885699E2E5 PRP without proof (not generated)