Rules for divisibility for natural numbers Flashcards
1
Q
N is divisible by 1
A
All natural numbers
2
Q
N is divisible by 2 if
A
the last digit is divisible by 2
3
Q
N is divisible by 3 if
A
the sum of the digits is divisible by 3
4
Q
N is divisible by 4 if
A
the # formed by the last two digits is divisible by 4
5
Q
N is divisible by 5 if
A
the last digit is 0 or 5
6
Q
N is divisible by 6 if
A
the number is divisible by 2 and 3
7
Q
N is divisbile by 8 if
A
the # formed by the last three digits is divisible by 8
8
Q
N is divisible by 9 if
A
if the sum of the digits is divisible by 9
9
Q
N is divisible by 10 if
A
the last digit is 0
10
Q
N is divisible by 12 if
A
the number is divisible by 3 and 4
