Q: What are the prime factors of the number 77,406,776?

 A: 2, 23, 97, 4337

Why are those the prime factors of the number 77,406,776?

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 77,406,776

77,406,776
Factor Arrows
238,703,388
Factor Arrows
219,351,694
Factor Arrows
29,675,847
Factor Arrows
23420,689
Factor Arrows
974,337

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, 23, 97, 4337

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 23 x 97 x 4,337 = 77,406,776

This can also be written as 23 x 231 x 971 x 4,3371 = 77,406,776

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 77,406,776:


Ask a Question