Q: What are the prime factors of the number 213,716,725?

 A: 5, 79, 108211

Why are those the prime factors of the number 213,716,725?

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 213,716,725

213,716,725
Factor Arrows
542,743,345
Factor Arrows
58,548,669
Factor Arrows
79108,211

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:

5, 79, 108211

We can check our work by multiplying all of the prime factors together: 5 x 5 x 79 x 108,211 = 213,716,725

This can also be written as 52 x 791 x 108,2111 = 213,716,725

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


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