Q: What are the prime factors of the number 20,424,033?

 A: 3, 7, 29, 1597

Why are those the prime factors of the number 20,424,033?

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 20,424,033

20,424,033
Factor Arrows
36,808,011
Factor Arrows
32,269,337
Factor Arrows
7324,191
Factor Arrows
746,313
Factor Arrows
291,597

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:

3, 7, 29, 1597

We can check our work by multiplying all of the prime factors together: 3 x 3 x 7 x 7 x 29 x 1,597 = 20,424,033

This can also be written as 32 x 72 x 291 x 1,5971 = 20,424,033

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


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