Q: What are the prime factors of the number 45,155,045?

 A: 5, 13, 131, 5303

Why are those the prime factors of the number 45,155,045?

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 45,155,045

45,155,045
Factor Arrows
59,031,009
Factor Arrows
13694,693
Factor Arrows
1315,303

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:

5, 13, 131, 5303

We can check our work by multiplying all of the prime factors together: 5 x 13 x 131 x 5,303 = 45,155,045

This can also be written as 51 x 131 x 1311 x 5,3031 = 45,155,045

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


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