Question

modulos math,

I need a rule of thumb for this https://www.dropbox.com/s/k2apv7xbp6pnb5u/Screenshot%202014-12-30%2020.20.46.jpg?dl=0

Answer 1

79 is prime

Answer 2

Fermat's Little Theorem

Answer 3

\(\Large x^{p-1} \equiv 1~ mod~ p \)

Answer 4

\(5^{78}\times 5^2~~ mod ~~79 \equiv 1\times 25 ~ mod ~ 79 = 25 \)

Answer 5

i'll ask @mathmath333 @ganeshie8
to verify ...

Answer 6

Looks perfect!

Answer 7

thanks :D

Answer 8

fermat makes the life easy ...

Answer 9

thanks a lot

Answer 10

welcome ^_^