Q: What are the prime factors of the number 168,038,535?

 A: 3, 5, 7, 1600367

Why are those the prime factors of the number 168,038,535?

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 168,038,535

168,038,535
Factor Arrows
356,012,845
Factor Arrows
511,202,569
Factor Arrows
71,600,367

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:

3, 5, 7, 1600367

We can check our work by multiplying all of the prime factors together: 3 x 5 x 7 x 1,600,367 = 168,038,535

This can also be written as 31 x 51 x 71 x 1,600,3671 = 168,038,535

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


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