Q: What are the prime factors of the number 23,503,620?

 A: 2, 3, 5, 7, 107, 523

Why are those the prime factors of the number 23,503,620?

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 23,503,620

23,503,620
Factor Arrows
211,751,810
Factor Arrows
25,875,905
Factor Arrows
31,958,635
Factor Arrows
5391,727
Factor Arrows
755,961
Factor Arrows
107523

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, 107, 523

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 5 x 7 x 107 x 523 = 23,503,620

This can also be written as 22 x 31 x 51 x 71 x 1071 x 5231 = 23,503,620

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


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