Q: What are the prime factors of the number 71,824,810?

 A: 2, 5, 337, 21313

Why are those the prime factors of the number 71,824,810?

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 71,824,810

71,824,810
Factor Arrows
235,912,405
Factor Arrows
57,182,481
Factor Arrows
33721,313

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, 337, 21313

We can check our work by multiplying all of the prime factors together: 2 x 5 x 337 x 21,313 = 71,824,810

This can also be written as 21 x 51 x 3371 x 21,3131 = 71,824,810

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


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