Q: What are the prime factors of the number 163,232,312?

 A: 2, 20404039

Why are those the prime factors of the number 163,232,312?

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 163,232,312

163,232,312
Factor Arrows
281,616,156
Factor Arrows
240,808,078
Factor Arrows
220,404,039

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, 20404039

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 20,404,039 = 163,232,312

This can also be written as 23 x 20,404,0391 = 163,232,312

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


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