Q: What are the prime factors of the number 68,163,528?

 A: 2, 3, 137, 20731

Why are those the prime factors of the number 68,163,528?

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 68,163,528

68,163,528
Factor Arrows
234,081,764
Factor Arrows
217,040,882
Factor Arrows
28,520,441
Factor Arrows
32,840,147
Factor Arrows
13720,731

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, 3, 137, 20731

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 137 x 20,731 = 68,163,528

This can also be written as 23 x 31 x 1371 x 20,7311 = 68,163,528

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


More Examples

Here are some more numbers to try:

Try the factor calculator

Explore more about the number 68,163,528:


Ask a Question