Q: What are the prime factors of the number 73,374,660?

 A: 2, 3, 5, 45293

Why are those the prime factors of the number 73,374,660?

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 73,374,660

73,374,660
Factor Arrows
236,687,330
Factor Arrows
218,343,665
Factor Arrows
36,114,555
Factor Arrows
32,038,185
Factor Arrows
3679,395
Factor Arrows
3226,465
Factor Arrows
545,293

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, 45293

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 3 x 3 x 3 x 5 x 45,293 = 73,374,660

This can also be written as 22 x 34 x 51 x 45,2931 = 73,374,660

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


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