Q: What are the prime factors of the number 14,900,736?

 A: 2, 3, 89, 109

Why are those the prime factors of the number 14,900,736?

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 14,900,736

14,900,736
Factor Arrows
27,450,368
Factor Arrows
23,725,184
Factor Arrows
21,862,592
Factor Arrows
2931,296
Factor Arrows
2465,648
Factor Arrows
2232,824
Factor Arrows
2116,412
Factor Arrows
258,206
Factor Arrows
229,103
Factor Arrows
39,701
Factor Arrows
89109

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, 89, 109

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 2 x 2 x 2 x 2 x 3 x 89 x 109 = 14,900,736

This can also be written as 29 x 31 x 891 x 1091 = 14,900,736

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


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