Mastering Divisibility Rules

What does it mean for a number to be divisible by another number?

• It is a prime number.

• It can be divided by that number without a remainder.

• It can be divided by that number with a remainder.

• It is an odd number.

Which of the following numbers is divisible by 2?

• 33,576

• 33,577

• 33,578

• 33,579

A number is divisible by 5 if its last digit is:

• 5 or 7

• 0 or 2

• 2 or 4

• 0 or 5

Which of the following numbers is divisible by 100?

• 1,010

• 10,000

• 1,000

• 100

For a number to be divisible by 25, its last two digits must be:

• 00 or 25

• 50 or 75

• 25 or 50

• 00 or 50

Which of the following numbers is divisible by 4?

• 3018

• 3020

• 3016

• 3014

A number is divisible by 3 if:

• It is an even number.

• It ends in 3.

• The sum of its digits is a multiple of 3.

• It is a prime number.

For a number to be divisible by 6, it must be:

• Odd and divisible by 3

• Even and divisible by 3

• Odd and divisible by 2

• Even and divisible by 9

Which of the following numbers is divisible by 9?

• 6757

• 6756

• 6758

• 6759

Which of the following statements is true about divisibility?

• A number divisible by 20 must end in 20.

• A number divisible by 25 must end in 00.

• A number divisible by 100 is not necessarily divisible by 4.

• A number divisible by 50 must end in 50 or 00.