Q: What are the prime factors of the number 82,145,375?

 A: 5, 13, 50551

Why are those the prime factors of the number 82,145,375?

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 82,145,375

82,145,375
Factor Arrows
516,429,075
Factor Arrows
53,285,815
Factor Arrows
5657,163
Factor Arrows
1350,551

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, 50551

We can check our work by multiplying all of the prime factors together: 5 x 5 x 5 x 13 x 50,551 = 82,145,375

This can also be written as 53 x 131 x 50,5511 = 82,145,375

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


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