On the equation φ(Xm - 1) = Xn - 1
2015 ◽
Vol 11
(05)
◽
pp. 1691-1700
Here, we show that the title equation has only finitely many positive integer solutions (X, m, n), where φ is the Euler function.
2012 ◽
Vol 204-208
◽
pp. 4785-4788
Keyword(s):
1998 ◽
Vol 21
(3)
◽
pp. 581-586
2018 ◽
Vol 11
(04)
◽
pp. 1850056
◽
2021 ◽
Vol 27
(2)
◽
pp. 88-100
Keyword(s):
2015 ◽
Vol 713-715
◽
pp. 1483-1486
Keyword(s):
2010 ◽
Vol 81
(2)
◽
pp. 177-185
◽
Keyword(s):
2012 ◽
Vol 93
(1-2)
◽
pp. 85-90
◽
Keyword(s):
2018 ◽