Q: What are the prime factors of the number 13,403,162?

 A: 2, 29, 179, 1291

Why are those the prime factors of the number 13,403,162?

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 13,403,162

13,403,162
Factor Arrows
26,701,581
Factor Arrows
29231,089
Factor Arrows
1791,291

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, 29, 179, 1291

We can check our work by multiplying all of the prime factors together: 2 x 29 x 179 x 1,291 = 13,403,162

This can also be written as 21 x 291 x 1791 x 1,2911 = 13,403,162

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


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