Q: What are the prime factors of the number 73,602,180?

 A: 2, 3, 5, 17, 67, 359

Why are those the prime factors of the number 73,602,180?

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 73,602,180

73,602,180
Factor Arrows
236,801,090
Factor Arrows
218,400,545
Factor Arrows
36,133,515
Factor Arrows
32,044,505
Factor Arrows
5408,901
Factor Arrows
1724,053
Factor Arrows
67359

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, 17, 67, 359

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 3 x 5 x 17 x 67 x 359 = 73,602,180

This can also be written as 22 x 32 x 51 x 171 x 671 x 3591 = 73,602,180

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


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