Q: What are the prime factors of the number 32,221,098?

 A: 2, 3, 7, 13, 79, 83

Why are those the prime factors of the number 32,221,098?

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 32,221,098

32,221,098
Factor Arrows
216,110,549
Factor Arrows
35,370,183
Factor Arrows
31,790,061
Factor Arrows
3596,687
Factor Arrows
785,241
Factor Arrows
136,557
Factor Arrows
7983

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, 7, 13, 79, 83

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 3 x 7 x 13 x 79 x 83 = 32,221,098

This can also be written as 21 x 33 x 71 x 131 x 791 x 831 = 32,221,098

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


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