Q: What are the prime factors of the number 79,789,150?

 A: 2, 5, 7, 29, 1123

Why are those the prime factors of the number 79,789,150?

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 79,789,150

79,789,150
Factor Arrows
239,894,575
Factor Arrows
57,978,915
Factor Arrows
51,595,783
Factor Arrows
7227,969
Factor Arrows
732,567
Factor Arrows
291,123

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, 5, 7, 29, 1123

We can check our work by multiplying all of the prime factors together: 2 x 5 x 5 x 7 x 7 x 29 x 1,123 = 79,789,150

This can also be written as 21 x 52 x 72 x 291 x 1,1231 = 79,789,150

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 79,789,150:


Ask a Question