Q: What are the prime factors of the number 77,707,028?

 A: 2, 7, 229, 12119

Why are those the prime factors of the number 77,707,028?

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 77,707,028

77,707,028
Factor Arrows
238,853,514
Factor Arrows
219,426,757
Factor Arrows
72,775,251
Factor Arrows
22912,119

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, 7, 229, 12119

We can check our work by multiplying all of the prime factors together: 2 x 2 x 7 x 229 x 12,119 = 77,707,028

This can also be written as 22 x 71 x 2291 x 12,1191 = 77,707,028

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 77,707,028:


Ask a Question