Divisibility

Divisibility

​Divisibility Rules - 2, 3, 4, 5

A number is divisible by: If....

​2

​the last digit is an even number (ends with 0, 2, 4, 6, or 8)

​3

​the sum of its digits is divisible by 3

​4

​the last two digits form a number divisible by 4

​5

​the last digit is 0 or 5

​Divisibility Rules - 6, 8, 9, 10

​A number is divisible by: If....

​6

​it is divisible by both 2 and 3

​8

​the last three digits form a number divisible by 8

​9

​the sum of its digits is divisible by 9

​10

​the last digit is 0

Multiple Select

Which of the following numbers is divisible by 2?

• 9,165

• 4,288

• 964

• 1,879

• 8,946

Multiple Select

Which of the following numbers is divisible by 4?

• 79

• 6,384

• 762

• 1,572

• 4,981

Multiple Choice

Which of the following numbers is divisible by 9?

• 782

• 9,251

• 67,288

• 15,876

• 20,353

​Sometimes a number can be divisible by two or more numbers or be divisible by a larger number.

​For example:

​48,225 is divisible by 3 and 5.

​54,180 is divisible by 2, 9, and 10.

​94,572 is divisible by 12.

​12,840 is divisible by 60.

​73,300 is divisible by 100.

Multiple Choice

Which of the following numbers is divisible by 3 and 4?

• 97,276

• 32,386

• 58,416

Multiple Choice

Which of the following numbers is divisible by 90?

• 40,860

• 73,570

• 30,890

Multiple Choice

Which of the following numbers is divisible by 20?

• 79,802

• 23,440

• 48,946