Q: What are the prime factors of the number 70,452?

 A: 2, 3, 19, 103

Why are those the prime factors of the number 70,452?

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 70,452

70,452
Factor Arrows
235,226
Factor Arrows
217,613
Factor Arrows
35,871
Factor Arrows
31,957
Factor Arrows
19103

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:

2, 3, 19, 103

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 3 x 19 x 103 = 70,452

This can also be written as 22 x 32 x 191 x 1031 = 70,452

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


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