Q: What are the prime factors of the number 65,731,635?

 A: 3, 5, 331, 1471

Why are those the prime factors of the number 65,731,635?

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 65,731,635

65,731,635
Factor Arrows
321,910,545
Factor Arrows
37,303,515
Factor Arrows
32,434,505
Factor Arrows
5486,901
Factor Arrows
3311,471

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, 5, 331, 1471

We can check our work by multiplying all of the prime factors together: 3 x 3 x 3 x 5 x 331 x 1,471 = 65,731,635

This can also be written as 33 x 51 x 3311 x 1,4711 = 65,731,635

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


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