Q: What are the prime factors of the number 422,525,536?

 A: 2, 31, 137, 3109

Why are those the prime factors of the number 422,525,536?

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 422,525,536

422,525,536
Factor Arrows
2211,262,768
Factor Arrows
2105,631,384
Factor Arrows
252,815,692
Factor Arrows
226,407,846
Factor Arrows
213,203,923
Factor Arrows
31425,933
Factor Arrows
1373,109

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, 31, 137, 3109

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 31 x 137 x 3,109 = 422,525,536

This can also be written as 25 x 311 x 1371 x 3,1091 = 422,525,536

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


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