Q: What are the prime factors of the number 77,124?

 A: 2, 3, 6427

Why are those the prime factors of the number 77,124?

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 77,124

77,124
Factor Arrows
238,562
Factor Arrows
219,281
Factor Arrows
36,427

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, 6427

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 6,427 = 77,124

This can also be written as 22 x 31 x 6,4271 = 77,124

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 77,124:


Ask a Question