Q: What are the prime factors of the number 71,404,788?

 A: 2, 3, 7, 13, 23, 2843

Why are those the prime factors of the number 71,404,788?

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 71,404,788

71,404,788
Factor Arrows
235,702,394
Factor Arrows
217,851,197
Factor Arrows
35,950,399
Factor Arrows
7850,057
Factor Arrows
1365,389
Factor Arrows
232,843

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, 7, 13, 23, 2843

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 7 x 13 x 23 x 2,843 = 71,404,788

This can also be written as 22 x 31 x 71 x 131 x 231 x 2,8431 = 71,404,788

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


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