Q: What are the prime factors of the number 175,707,540?

 A: 2, 3, 5, 349, 2797

Why are those the prime factors of the number 175,707,540?

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 175,707,540

175,707,540
Factor Arrows
287,853,770
Factor Arrows
243,926,885
Factor Arrows
314,642,295
Factor Arrows
34,880,765
Factor Arrows
5976,153
Factor Arrows
3492,797

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, 5, 349, 2797

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 3 x 5 x 349 x 2,797 = 175,707,540

This can also be written as 22 x 32 x 51 x 3491 x 2,7971 = 175,707,540

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


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