Q: What are the prime factors of the number 14,050,872?

 A: 2, 3, 11, 113, 157

Why are those the prime factors of the number 14,050,872?

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 14,050,872

14,050,872
Factor Arrows
27,025,436
Factor Arrows
23,512,718
Factor Arrows
21,756,359
Factor Arrows
3585,453
Factor Arrows
3195,151
Factor Arrows
1117,741
Factor Arrows
113157

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, 11, 113, 157

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 3 x 11 x 113 x 157 = 14,050,872

This can also be written as 23 x 32 x 111 x 1131 x 1571 = 14,050,872

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


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