Q: What are the prime factors of the number 14,312,220?

 A: 2, 3, 5, 13, 59, 311

Why are those the prime factors of the number 14,312,220?

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 14,312,220

14,312,220
Factor Arrows
27,156,110
Factor Arrows
23,578,055
Factor Arrows
31,192,685
Factor Arrows
5238,537
Factor Arrows
1318,349
Factor Arrows
59311

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, 5, 13, 59, 311

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 5 x 13 x 59 x 311 = 14,312,220

This can also be written as 22 x 31 x 51 x 131 x 591 x 3111 = 14,312,220

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


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