Q: What are the prime factors of the number 75,052,810?

 A: 2, 5, 7, 89, 1721

Why are those the prime factors of the number 75,052,810?

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 75,052,810

75,052,810
Factor Arrows
237,526,405
Factor Arrows
57,505,281
Factor Arrows
71,072,183
Factor Arrows
7153,169
Factor Arrows
891,721

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, 5, 7, 89, 1721

We can check our work by multiplying all of the prime factors together: 2 x 5 x 7 x 7 x 89 x 1,721 = 75,052,810

This can also be written as 21 x 51 x 72 x 891 x 1,7211 = 75,052,810

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


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