Q: What are the prime factors of the number 747,600?

 A: 2, 3, 5, 7, 89

Why are those the prime factors of the number 747,600?

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 747,600

747,600
Factor Arrows
2373,800
Factor Arrows
2186,900
Factor Arrows
293,450
Factor Arrows
246,725
Factor Arrows
315,575
Factor Arrows
53,115
Factor Arrows
5623
Factor Arrows
789

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, 5, 7, 89

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 3 x 5 x 5 x 7 x 89 = 747,600

This can also be written as 24 x 31 x 52 x 71 x 891 = 747,600

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


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