Question

Is 21,408 divisible by 2

yes or no

is 21,408 divisible by 5
yes ir no

is 21,408 divisible by 10
yes or no

Answer 1

A number is divisible by 2 if the last digit is: 0,2,4,6,8

A number is divisible by 3 if the sum of its digits are divisible by 3.

A number is divisible by 4 if the last two digits are divisible by 4.

A number is divisible by 5 if the last digit is 0 or 5.

A number is divisible by 6 if the number is divisible by both 2 and 3.

A number is divisible by 8 if the last three digits are divisible by 8.

A number is divisible by 9 if the sum of its digits is divisible by 9.

A number is divisible by 10 is the last digit is 0.

Answer 2

First (yes)

Second (no)

Thrid (no)