Q: What are the prime factors of the number 83,528,731?

 A: 11, 13, 19, 71, 433

Why are those the prime factors of the number 83,528,731?

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 83,528,731

83,528,731
Factor Arrows
117,593,521
Factor Arrows
13584,117
Factor Arrows
1930,743
Factor Arrows
71433

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:

11, 13, 19, 71, 433

We can check our work by multiplying all of the prime factors together: 11 x 13 x 19 x 71 x 433 = 83,528,731

This can also be written as 111 x 131 x 191 x 711 x 4331 = 83,528,731

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


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