Q: What are the prime factors of the number 13,314,448?

 A: 2, 7, 53, 2243

Why are those the prime factors of the number 13,314,448?

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 13,314,448

13,314,448
Factor Arrows
26,657,224
Factor Arrows
23,328,612
Factor Arrows
21,664,306
Factor Arrows
2832,153
Factor Arrows
7118,879
Factor Arrows
532,243

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, 7, 53, 2243

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 7 x 53 x 2,243 = 13,314,448

This can also be written as 24 x 71 x 531 x 2,2431 = 13,314,448

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


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