Q: What are the prime factors of the number 113,121,047?

Why are those the prime factors of the number 113,121,047?

Prime factors are the prime numbers that can be multipled together to equal the original number. You find the factors by dividing by prime numbers. It is best shown by creating a Factor Tree.

Factor Tree for the number 113,121,047

	113,121,047
13		8,701,619
	89		97,771

The numbers in bold above are the prime factors. If there are multiples, you only count them one time. This leads us to our prime factors of:

13, 89, 97771

We can check our work by multiplying all of the prime factors together: 13 x 89 x 97,771 = 113,121,047

This can also be written as 13¹ x 89¹ x 97,771¹ = 113,121,047

If you would like to know more, or need additional explanation, please review our prime factorization explanation.

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