Prime Factorization

Which number below is a prime number?

• 4

• 7

• 9

• 10

Which number below is not an even number?

• 278

• 590

• 1 751

• 3 612

Which is the correct prime factors of 12?

• 2 x 2 x 3

• 2 x 2 x 2 x 3

• 4 x 3

• 3 x 3 x 3 x 3

He is one of the greatest Greek scientific writer and invented a method of finding out prime numbers in a group numbers.

• John Horton Conway

• Pythagoras

• Eratosthenes of Cyrene

• Leonhard Euler

It is a number with two factors, 1 and the number itself.

• Composite number

• Prime numbers

These are numbers to multiply to get the product.

(a)  

It is the only even prime number.

(a)  

It is neither prime nor composite.

(a)  

It is the smallest composite number.

(a)  

Write the prime factors of 24.

(a)