9 043 Exponent Status

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

PrimeNet Exponent Status

M_n

Status

Details

Composite, with 2 known prime factors. Cofactor is composite.

Factored

Factor	Digits	Bits	Date
37268518009	11	35.1	old
1214227396319818076542537632130381319	37	119.9	2018-05-19 15:37:25

ECM

Digits	B1	Curves
25	50000	280 / 280
30	250000	640 / 640
35	1000000	1566 / 1566
40	3000000	4588 / 4588
45	11000000	9201 / 9201
50	44000000	6448 / 16550

Estimated T-Level: 46.9 ⓘ

TF below 2^151 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified (Factored)	2017-09-21	Oliver Kruse	10AA327609375518	1	0	1	3
Verified (Factored)	2017-10-12	kkmrkkblmbrbk	10AA327609375518	1	2604	1	3
Verified	2018-05-19	axn	4DAA5F6728B761EB	2	4790	5	3
Verified	2018-05-19	kkmrkkblmbrbk	4DAA5F6728B761EB	2	7319	5	3
Verified	2018-05-19	Gabriel Lignelli	4DAA5F6728B761EB	2	4637	5	3
Verified (Factored)	2018-05-23	nokno	468FC1FC8E582382	1	0	1	3

History

Date	User	Type	Result
2023-07-18	JacobZ	NF-PM1	B1=64000000000, B2=263527252205367150
2021-12-16	Lisander Viaene	NF-PM1	B1=100000000
2018-05-23	nokno	C-PRP	M9043/known_factors : 468FC1FC8E582382 PRP: Verified (Factored) PRP without proof (not generated)
2018-05-19	Gabriel Lignelli	C-PRP	M9043/37268518009/1214227396319818076542537632130381319 : 4DAA5F6728B761EB PRP: Verified (Factored) PRP without proof (small exponent)
2018-05-19	kkmrkkblmbrbk	C-PRP	M9043/37268518009/1214227396319818076542537632130381319 : 4DAA5F6728B761EB PRP: Verified (Factored) PRP without proof (small exponent)
2018-05-19	axn	C-PRP	M9043/37268518009/1214227396319818076542537632130381319 : 4DAA5F6728B761EB PRP: Verified (Factored) PRP without proof (small exponent)
2018-05-19	Hexaflexagon	F-ECM	Factor: 1214227396319818076542537632130381319 / (ECM curve 1944, B1=3000000, B2=300000000)
2017-10-12	kkmrkkblmbrbk	C-PRP	M9043/37268518009 : 10AA327609375518 PRP: Verified (Factored) PRP without proof (not generated)
2017-09-21	Oliver Kruse	C-PRP	M9043/37268518009 : 10AA327609375518 PRP: Verified (Factored) PRP without proof (not generated)
2017-09-21	Oliver Kruse	C-PRP	M9043/37268518009 : 10AA327609375518 PRP without proof (not generated)