Q: What are the prime factors of the number 116,736,638?

 A: 2, 23, 31, 71, 1153

Why are those the prime factors of the number 116,736,638?

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 116,736,638

116,736,638
Factor Arrows
258,368,319
Factor Arrows
232,537,753
Factor Arrows
3181,863
Factor Arrows
711,153

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, 23, 31, 71, 1153

We can check our work by multiplying all of the prime factors together: 2 x 23 x 31 x 71 x 1,153 = 116,736,638

This can also be written as 21 x 231 x 311 x 711 x 1,1531 = 116,736,638

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


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