Question

Prove that:
25^9+5^17 is divisible by 30

Answer 1

25^9+5^17=

=2^18 +5^17

=5^17(5+1)

=5^17· 6

=5^16 ·30 is divisible by 30

Explanation:

25^9+5^17=

=2^18 +5^17

=5^17(5+1)

=5^17· 6

=5^16 ·30 is divisible by 30

Answer 2

25^9+5^17=

=2^18 +5^17

=5^17(5+1)

=5^17· 6

=5^16 ·30 is divisible by 30