Q: What are the prime factors of the number 45,551,538?

 A: 2, 3, 293, 2879

Why are those the prime factors of the number 45,551,538?

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 45,551,538

45,551,538
Factor Arrows
222,775,769
Factor Arrows
37,591,923
Factor Arrows
32,530,641
Factor Arrows
3843,547
Factor Arrows
2932,879

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, 293, 2879

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 3 x 293 x 2,879 = 45,551,538

This can also be written as 21 x 33 x 2931 x 2,8791 = 45,551,538

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


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