Q: What are the prime factors of the number 133,315,315?

 A: 5, 7, 523, 7283

Why are those the prime factors of the number 133,315,315?

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 133,315,315

133,315,315
Factor Arrows
526,663,063
Factor Arrows
73,809,009
Factor Arrows
5237,283

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:

5, 7, 523, 7283

We can check our work by multiplying all of the prime factors together: 5 x 7 x 523 x 7,283 = 133,315,315

This can also be written as 51 x 71 x 5231 x 7,2831 = 133,315,315

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


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