Q: What are the prime factors of the number 12,516,201?

 A: 3, 59, 97

Why are those the prime factors of the number 12,516,201?

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 12,516,201

12,516,201
Factor Arrows
34,172,067
Factor Arrows
31,390,689
Factor Arrows
3463,563
Factor Arrows
3154,521
Factor Arrows
351,507
Factor Arrows
317,169
Factor Arrows
35,723
Factor Arrows
5997

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:

3, 59, 97

We can check our work by multiplying all of the prime factors together: 3 x 3 x 3 x 3 x 3 x 3 x 3 x 59 x 97 = 12,516,201

This can also be written as 37 x 591 x 971 = 12,516,201

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


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