Q: What are the prime factors of the number 724,230?

 A: 2, 3, 5, 13, 619

Why are those the prime factors of the number 724,230?

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 724,230

724,230
Factor Arrows
2362,115
Factor Arrows
3120,705
Factor Arrows
340,235
Factor Arrows
58,047
Factor Arrows
13619

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, 13, 619

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 5 x 13 x 619 = 724,230

This can also be written as 21 x 32 x 51 x 131 x 6191 = 724,230

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


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