Divisibility Rules

Test
Materials

Divisibility Rules Chart

LOOK AT THE DIGIT IN THE ONES PLACE!

  • 2 — Last digit is even

  • 5 — Last digit is a 5 or 0

  • 10 — Last digit is 0

CHECK THE DIGIT SUM!

  • 3 — Sum of digits is divisible by 3

  • 6 — Number is divisible by 3 and 2

  • 9 — Sum of digits is divisible by 9

LOOK AT THE LAST DIGITS!

  • 4 — Last 2 digits form a number divisible by 4

  • 8 — Last 3 digits form a number divisible by 8

FOR OTHER DIGITS!

Divisibility by 11: If sums of digits at odd places and even places are equal or differ by a number divisible by 11, then number will be divisible by 11.

For Example: 3245693
Sum of odd digits = 3+4+6+3 = 16
Sum of even digits = 2+5+9 = 16
Sums are equal, therefore give number is divisible by 11.