Q: What are the prime factors of the number 91,501,680?

 A: 2, 3, 5, 163, 2339

Why are those the prime factors of the number 91,501,680?

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 91,501,680

91,501,680
Factor Arrows
245,750,840
Factor Arrows
222,875,420
Factor Arrows
211,437,710
Factor Arrows
25,718,855
Factor Arrows
31,906,285
Factor Arrows
5381,257
Factor Arrows
1632,339

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, 5, 163, 2339

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 3 x 5 x 163 x 2,339 = 91,501,680

This can also be written as 24 x 31 x 51 x 1631 x 2,3391 = 91,501,680

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 91,501,680:


Ask a Question