675 839 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
5086090084696879369	19	62.1	2007-12-06 21:25:15
263159078697342977247933143	27	87.8	2015-10-16 10:45:16

ECM

Digits	B1	Curves
25	50000	280 / 280
30	250000	100 / 640

Estimated T-Level: 25.8 ⓘ

TF below 2^81 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2017-09-28	Oliver Kruse	80A55BFC656E9285	2	0	1	3
Verified	2017-09-30	alpertron	80A55BFC656E9285	2	0	1	3
Verified	2017-12-08	ATH	80A55BFC656E9285	2	350951	1	3
Unverified (Reliable)	2020-04-20	Oliver Kruse	A69D65E3D5C930__	2	172215	5	3

History

Date	User	Type	Result
2020-04-20	Oliver Kruse	C-PRP	M675839/5086090084696879369/263159078697342977247933143 : A69D65E3D5C930__ PRP: Unverified (Reliable) PRP without proof (small exponent)
2017-12-08	ATH	C-PRP	M675839/5086090084696879369/263159078697342977247933143 : 80A55BFC656E9285 PRP: Unverified (Reliable) PRP without proof (small exponent)
2017-09-30	alpertron	C-PRP	M675839/263159078697342977247933143/5086090084696879369 : 80A55BFC656E9285 PRP: Unverified (Reliable) PRP without proof (not generated)
2017-09-28	Oliver Kruse	C-PRP	M675839/5086090084696879369/263159078697342977247933143 : 80A55BFC656E9285 PRP: Unverified (Reliable) PRP without proof (not generated)
2017-09-27	Oliver Kruse	C-PRP	M675839/5086090084696879369/263159078697342977247933143 : 80A55BFC656E9285 PRP without proof (not generated)
2015-10-16	TJAOI	F-ECM	Factor: 263159078697342977247933143 / (ECM curve 56, B1=50000, B2=5000000)
2007-12-06	James Heinrich	F-ECM	Factor: 5086090084696879369