Math Test 15Jan2022

Those numbers that can be divided into two equal groups or pairs.

• prime number

• odd number

• even number

• composite number

Numbers with more than two factors.

• prime number

• even number

• composite number

• odd number

A number that is divisible only by itself and 1.

• odd number

• prime number

• composite number

• odd number

A number which is not divisible by 2.

• odd number

• even number

• composite number

• prime number

How many odd numbers are there between 20 and 30?

1 is a prime number.

• True

• False

Which of these numbers is prime number?

• 12

• 42

• 61

• 87

Which of these numbers is composite?

• 29

• 41

• 47

• 82

Is the number 9 prime or composite?

• prime number

• composite number

The number 1 is neither prime nor composite.

• True

• False