Q: What are the prime factors of the number 45,718,533?

 A: 3, 7, 71, 3407

Why are those the prime factors of the number 45,718,533?

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 45,718,533

45,718,533
Factor Arrows
315,239,511
Factor Arrows
35,079,837
Factor Arrows
31,693,279
Factor Arrows
7241,897
Factor Arrows
713,407

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, 71, 3407

We can check our work by multiplying all of the prime factors together: 3 x 3 x 3 x 7 x 71 x 3,407 = 45,718,533

This can also be written as 33 x 71 x 711 x 3,4071 = 45,718,533

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


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