Q: What are the prime factors of the number 73,581,651?

 A: 3, 11, 13, 57173

Why are those the prime factors of the number 73,581,651?

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 73,581,651

73,581,651
Factor Arrows
324,527,217
Factor Arrows
38,175,739
Factor Arrows
11743,249
Factor Arrows
1357,173

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, 13, 57173

We can check our work by multiplying all of the prime factors together: 3 x 3 x 11 x 13 x 57,173 = 73,581,651

This can also be written as 32 x 111 x 131 x 57,1731 = 73,581,651

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


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