14 887 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
316004634286237579986664351694423	33	108.0	2009-02-15 05:16:33

ECM

Digits	B1	Curves
25	50000	280 / 280
30	250000	640 / 640
35	1000000	1566 / 1566
40	3000000	4588 / 4588
45	11000000	1281 / 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	Shift
Verified (Factored)		Unknown	6B2C	0
Verified (Factored)		George Woltman	FAF9B82C5214EB2C	0
Verified (Factored)		Brian J. Beesley	FAF9B82C5214EB2C	0

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2017-09-21	Oliver Kruse	2CAD24A91160FF3C	1	0	1	3
Verified	2017-10-12	kkmrkkblmbrbk	2CAD24A91160FF3C	1	4614	1	3
Unverified	2020-04-17	Oliver Kruse	097FDAECB28D9B__	1	11078	5	3

P-1 factors

Date	Factor	B1	B2
2024-03-07	316004634286237579986664351694423	100000000000	122154521813133808

History

Date	User	Type	Result
2024-03-07	-Anonymous-	F-PM1	Factor: 316004634286237579986664351694423 / (P-1, B1=100000000000, B2=122154521813133810)
2023-05-27	JacobZ	NF-PM1	B1=7300000000, B2=30020805351537000
2020-04-17	Oliver Kruse	C-PRP	M14887/316004634286237579986664351694423 : 097FDAECB28D9B__ PRP without proof (small exponent)
2017-10-12	kkmrkkblmbrbk	C-PRP	M14887/316004634286237579986664351694423 : 2CAD24A91160FF3C PRP without proof (not generated)
2017-09-21	Oliver Kruse	C-PRP	M14887/316004634286237579986664351694423 : 2CAD24A91160FF3C PRP without proof (not generated)
2017-09-21	Oliver Kruse	C-PRP	M14887/316004634286237579986664351694423 : 2CAD24A91160FF3C PRP without proof (not generated)
2009-02-15	Jayson King	F-ECM	Factor: 316004634286237579986664351694423