Q: What are the prime factors of the number 42,215,022?

 A: 2, 3, 2345279

Why are those the prime factors of the number 42,215,022?

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 42,215,022

42,215,022
Factor Arrows
221,107,511
Factor Arrows
37,035,837
Factor Arrows
32,345,279

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, 2345279

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 2,345,279 = 42,215,022

This can also be written as 21 x 32 x 2,345,2791 = 42,215,022

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


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