Q: What are the prime factors of the number 724,740,564?

 A: 2, 3, 47, 109, 11789

Why are those the prime factors of the number 724,740,564?

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 724,740,564

724,740,564
Factor Arrows
2362,370,282
Factor Arrows
2181,185,141
Factor Arrows
360,395,047
Factor Arrows
471,285,001
Factor Arrows
10911,789

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, 47, 109, 11789

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 47 x 109 x 11,789 = 724,740,564

This can also be written as 22 x 31 x 471 x 1091 x 11,7891 = 724,740,564

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


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