Q: What are the prime factors of the number 14,777,952?

 A: 2, 3, 7, 21991

Why are those the prime factors of the number 14,777,952?

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 14,777,952

14,777,952
Factor Arrows
27,388,976
Factor Arrows
23,694,488
Factor Arrows
21,847,244
Factor Arrows
2923,622
Factor Arrows
2461,811
Factor Arrows
3153,937
Factor Arrows
721,991

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, 7, 21991

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 3 x 7 x 21,991 = 14,777,952

This can also be written as 25 x 31 x 71 x 21,9911 = 14,777,952

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


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