Q: What are the prime factors of the number 165,083,724?

 A: 2, 3, 13, 307, 383

Why are those the prime factors of the number 165,083,724?

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 165,083,724

165,083,724
Factor Arrows
282,541,862
Factor Arrows
241,270,931
Factor Arrows
313,756,977
Factor Arrows
34,585,659
Factor Arrows
31,528,553
Factor Arrows
13117,581
Factor Arrows
307383

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, 13, 307, 383

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 3 x 3 x 13 x 307 x 383 = 165,083,724

This can also be written as 22 x 33 x 131 x 3071 x 3831 = 165,083,724

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


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