Q: What are the prime factors of the number 13,105,363?

 A: 37, 41, 53, 163

Why are those the prime factors of the number 13,105,363?

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 13,105,363

13,105,363
Factor Arrows
37354,199
Factor Arrows
418,639
Factor Arrows
53163

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:

37, 41, 53, 163

We can check our work by multiplying all of the prime factors together: 37 x 41 x 53 x 163 = 13,105,363

This can also be written as 371 x 411 x 531 x 1631 = 13,105,363

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


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