Q: What are the prime factors of the number 47,017,019?

 A: 7, 17, 56443

Why are those the prime factors of the number 47,017,019?

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 47,017,019

47,017,019
Factor Arrows
76,716,717
Factor Arrows
7959,531
Factor Arrows
1756,443

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:

7, 17, 56443

We can check our work by multiplying all of the prime factors together: 7 x 7 x 17 x 56,443 = 47,017,019

This can also be written as 72 x 171 x 56,4431 = 47,017,019

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


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