Q: What are the prime factors of the number 635,145,534?

 A: 2, 3, 17, 53, 39163

Why are those the prime factors of the number 635,145,534?

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 635,145,534

635,145,534
Factor Arrows
2317,572,767
Factor Arrows
3105,857,589
Factor Arrows
335,285,863
Factor Arrows
172,075,639
Factor Arrows
5339,163

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, 17, 53, 39163

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 17 x 53 x 39,163 = 635,145,534

This can also be written as 21 x 32 x 171 x 531 x 39,1631 = 635,145,534

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


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