Q: What are the prime factors of the number 72,563,733?

 A: 3, 11, 732967

Why are those the prime factors of the number 72,563,733?

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 72,563,733

72,563,733
Factor Arrows
324,187,911
Factor Arrows
38,062,637
Factor Arrows
11732,967

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:

3, 11, 732967

We can check our work by multiplying all of the prime factors together: 3 x 3 x 11 x 732,967 = 72,563,733

This can also be written as 32 x 111 x 732,9671 = 72,563,733

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


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