Q: What are the prime factors of the number 85,791,360?

 A: 2, 3, 5, 44683

Why are those the prime factors of the number 85,791,360?

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 85,791,360

85,791,360
Factor Arrows
242,895,680
Factor Arrows
221,447,840
Factor Arrows
210,723,920
Factor Arrows
25,361,960
Factor Arrows
22,680,980
Factor Arrows
21,340,490
Factor Arrows
2670,245
Factor Arrows
3223,415
Factor Arrows
544,683

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, 44683

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 2 x 2 x 3 x 5 x 44,683 = 85,791,360

This can also be written as 27 x 31 x 51 x 44,6831 = 85,791,360

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 85,791,360:


Ask a Question