Q: What are the prime factors of the number 118,835,730?

 A: 2, 3, 5, 13, 601

Why are those the prime factors of the number 118,835,730?

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 118,835,730

118,835,730
Factor Arrows
259,417,865
Factor Arrows
319,805,955
Factor Arrows
36,601,985
Factor Arrows
51,320,397
Factor Arrows
13101,569
Factor Arrows
137,813
Factor Arrows
13601

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, 13, 601

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 5 x 13 x 13 x 13 x 601 = 118,835,730

This can also be written as 21 x 32 x 51 x 133 x 6011 = 118,835,730

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


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