Factors and Multiples

14, 49, and 28 are all multiples of what number?

• 2
• 7
• 4
• 5

Which are the factors of both 6 and 15?

• 9
• 5
• 6
• 3

Which of the following are multiples of 6...

• 1, 2, 3, 6
• 12, 18, 24
• 2, 4, 6, 8
• none

Which of the following statement is false?

• Every number is a multiple of 1.

• A multiple is a number which is completely divisible by a given number.

• The smallest multiple of a number is 1.

• Multiples are unlimited.

Which number is divisible be 2, 10 and 6?

• 5770

• 7770

• 59540

• 8522

The greatest number that can divide 16, 48, 80.

• 160

• 8

• 16

• 48

Which number is a factor of 48?

• 6
• 18
• 7
• 9

Which number is a factor of 25?

• 1
• 2
• 10
• 50

A prime number is...

• a number that has only one factor.
• a number that has at least two factors.
• a number that has more than two factors.
• a number that has only two factors.
  (1 and itself)

Which choice lists all the factors for the number 24?

• 2, 3, 4, 6, 8, 12, 24
• 2, 3, 4, 6, 8, 12, 24, 36
• 1, 2, 3, 4, 6, 8, 12, 24
• 1, 2, 4, 5, 6, 8, 12 ,24