Q: What are the prime factors of the number 450,567,810?

 A: 2, 3, 5, 7, 11, 79, 823

Why are those the prime factors of the number 450,567,810?

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 450,567,810

450,567,810
Factor Arrows
2225,283,905
Factor Arrows
375,094,635
Factor Arrows
325,031,545
Factor Arrows
55,006,309
Factor Arrows
7715,187
Factor Arrows
1165,017
Factor Arrows
79823

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, 7, 11, 79, 823

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 5 x 7 x 11 x 79 x 823 = 450,567,810

This can also be written as 21 x 32 x 51 x 71 x 111 x 791 x 8231 = 450,567,810

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


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