Q: What are the prime factors of the number 73,164,032?

 A: 2, 107, 2671

Why are those the prime factors of the number 73,164,032?

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 73,164,032

73,164,032
Factor Arrows
236,582,016
Factor Arrows
218,291,008
Factor Arrows
29,145,504
Factor Arrows
24,572,752
Factor Arrows
22,286,376
Factor Arrows
21,143,188
Factor Arrows
2571,594
Factor Arrows
2285,797
Factor Arrows
1072,671

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, 107, 2671

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 2 x 2 x 2 x 107 x 2,671 = 73,164,032

This can also be written as 28 x 1071 x 2,6711 = 73,164,032

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


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