Q: What are the prime factors of the number 118,472,571?

 A: 3, 7, 47, 13337

Why are those the prime factors of the number 118,472,571?

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 118,472,571

118,472,571
Factor Arrows
339,490,857
Factor Arrows
313,163,619
Factor Arrows
34,387,873
Factor Arrows
7626,839
Factor Arrows
4713,337

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, 7, 47, 13337

We can check our work by multiplying all of the prime factors together: 3 x 3 x 3 x 7 x 47 x 13,337 = 118,472,571

This can also be written as 33 x 71 x 471 x 13,3371 = 118,472,571

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


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