Factors Multiples Prime

How many prime numbers are there between 10 and 20?

• 3

• 4

• 5

• 6

Which number is divisible by both 5 and 10?

• 52

• 205

• 250

• 502

Which of the following numbers is divisible by 4?

• 569

• 926

• 932

• 742

Find the smallest whole number that is divisible by 10

and12

• 40

• 30

• 72

• 60

What is the L.C.M.

of two co-prime numbers?

• Their sum

• Their difference

• Their product

• Their quotient

Which one of the following sets has contained all the factors of 40?

• 1, 2, 3, 4, 5, 8, 20, 40

• 1, 2, 4, 5, 8, 10, 40

• 1, 2, 4, 5, 8, 10, 20

• 1, 2, 4, 5, 8, 10, 20, 40

What are the missing factors?

• 2 and 3

• 3 and 6

• 3 and 3

• 1 and 9

2 is special because it is the only...

• Odd composite number

• Even composite number

• Odd prime number

• Even prime number

What is the missing factor?

• 3

• 5

• 6

• 7

A number that is multiplied by another number is called a

• prime number

• factor

• factor pair

• composite number