Q: What are the prime factors of the number 724,325,814?

 A: 2, 3, 487, 9181

Why are those the prime factors of the number 724,325,814?

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 724,325,814

724,325,814
Factor Arrows
2362,162,907
Factor Arrows
3120,720,969
Factor Arrows
340,240,323
Factor Arrows
313,413,441
Factor Arrows
34,471,147
Factor Arrows
4879,181

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, 487, 9181

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 3 x 3 x 487 x 9,181 = 724,325,814

This can also be written as 21 x 34 x 4871 x 9,1811 = 724,325,814

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


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