Q: What are the prime factors of the number 135,541,656?

 A: 2, 3, 37, 83, 613

Why are those the prime factors of the number 135,541,656?

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 135,541,656

135,541,656
Factor Arrows
267,770,828
Factor Arrows
233,885,414
Factor Arrows
216,942,707
Factor Arrows
35,647,569
Factor Arrows
31,882,523
Factor Arrows
3750,879
Factor Arrows
83613

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, 37, 83, 613

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 3 x 37 x 83 x 613 = 135,541,656

This can also be written as 23 x 32 x 371 x 831 x 6131 = 135,541,656

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


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