Q: What are the prime factors of the number 13,415,232?

 A: 2, 3, 107, 653

Why are those the prime factors of the number 13,415,232?

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 13,415,232

13,415,232
Factor Arrows
26,707,616
Factor Arrows
23,353,808
Factor Arrows
21,676,904
Factor Arrows
2838,452
Factor Arrows
2419,226
Factor Arrows
2209,613
Factor Arrows
369,871
Factor Arrows
107653

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, 107, 653

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 2 x 3 x 107 x 653 = 13,415,232

This can also be written as 26 x 31 x 1071 x 6531 = 13,415,232

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


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