Q: What are the prime factors of the number 160,245,378?

 A: 2, 3, 329723

Why are those the prime factors of the number 160,245,378?

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 160,245,378

160,245,378
Factor Arrows
280,122,689
Factor Arrows
326,707,563
Factor Arrows
38,902,521
Factor Arrows
32,967,507
Factor Arrows
3989,169
Factor Arrows
3329,723

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, 329723

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 3 x 3 x 3 x 329,723 = 160,245,378

This can also be written as 21 x 35 x 329,7231 = 160,245,378

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


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