Q: What are the prime factors of the number 73,327,332?

 A: 2, 3, 13, 47, 73, 137

Why are those the prime factors of the number 73,327,332?

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 73,327,332

73,327,332
Factor Arrows
236,663,666
Factor Arrows
218,331,833
Factor Arrows
36,110,611
Factor Arrows
13470,047
Factor Arrows
4710,001
Factor Arrows
73137

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, 47, 73, 137

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 13 x 47 x 73 x 137 = 73,327,332

This can also be written as 22 x 31 x 131 x 471 x 731 x 1371 = 73,327,332

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


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