Q: What are the prime factors of the number 4,454,272?

 A: 2, 17, 23, 89

Why are those the prime factors of the number 4,454,272?

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 4,454,272

4,454,272
Factor Arrows
22,227,136
Factor Arrows
21,113,568
Factor Arrows
2556,784
Factor Arrows
2278,392
Factor Arrows
2139,196
Factor Arrows
269,598
Factor Arrows
234,799
Factor Arrows
172,047
Factor Arrows
2389

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, 17, 23, 89

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 17 x 23 x 89 = 4,454,272

This can also be written as 27 x 171 x 231 x 891 = 4,454,272

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


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