Q: What are the prime factors of the number 118,471,710?

 A: 2, 3, 5, 7, 83, 971

Why are those the prime factors of the number 118,471,710?

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 118,471,710

118,471,710
Factor Arrows
259,235,855
Factor Arrows
319,745,285
Factor Arrows
53,949,057
Factor Arrows
7564,151
Factor Arrows
780,593
Factor Arrows
83971

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, 5, 7, 83, 971

We can check our work by multiplying all of the prime factors together: 2 x 3 x 5 x 7 x 7 x 83 x 971 = 118,471,710

This can also be written as 21 x 31 x 51 x 72 x 831 x 9711 = 118,471,710

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


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