600 043 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
140410063	9	27.1	old
351625199	9	28.4	2008-07-16 09:23:02
30759233685240871654751	23	74.7	2016-08-19 09:45:35
38366003705864649702616247	26	85.0	2018-06-15 13:09:26

ECM

Digits	B1	Curves
25	50000	280 / 280
30	250000	212 / 640

Estimated T-Level: 26.7 ⓘ

TF below 2^84 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified (Factored)	2017-09-27	Oliver Kruse	A9E7C5C7FF4CE0D6	1	0	1	3
Verified (Factored)	2017-10-18	Oliver Kruse	3E47617832947561	3	175790	5	3
Verified (Factored)	2017-10-19	kkmrkkblmbrbk	3E47617832947561	3	154399	5	3
Verified	2018-06-17	ANONYMOUS	3E47617832947561	4	45681	5	3
Verified	2018-06-21	_p95holder_	3E47617832947561	4	212991	5	3

History

Date	User	Type	Result
2022-12-06	USAFSS	NF-PM1	B1=2000000, B2=6396029640
2018-06-21	_p95holder_	C-PRP	M600043/140410063/351625199/30759233685240871654751/38366003705864649702616247 : 3E47617832947561 PRP: Verified PRP without proof (small exponent)
2018-06-17	ANONYMOUS	C-PRP	M600043/140410063/351625199/30759233685240871654751/38366003705864649702616247 : 3E47617832947561 PRP: Verified PRP without proof (small exponent)
2018-06-15	TJAOI	F-ECM	Factor: 38366003705864649702616247 / (ECM curve 9, B1=250000, B2=25000000)
2017-10-19	kkmrkkblmbrbk	C-PRP	M600043/140410063/351625199/30759233685240871654751 : 3E47617832947561 PRP: Verified PRP without proof (small exponent)
2017-10-18	Oliver Kruse	C-PRP	M600043/140410063/351625199/30759233685240871654751 : 3E47617832947561 PRP: Verified PRP without proof (small exponent)
2017-09-27	Oliver Kruse	C-PRP	M600043/140410063/351625199/30759233685240871654751 : A9E7C5C7FF4CE0D6 PRP: Verified PRP without proof (not generated)
2016-08-19	TJAOI	F-ECM	Factor: 30759233685240871654751 / (ECM curve 12, B1=50000, B2=5000000)
2016-03-17	alpertron	NF-PM1	B1=1000000, B2=30000000, E=12
2008-07-16	J Feitsma	F	Factor: 351625199