Q: What are the prime factors of the number 786,492?

 A: 2, 3, 7, 3121

Why are those the prime factors of the number 786,492?

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 786,492

786,492
Factor Arrows
2393,246
Factor Arrows
2196,623
Factor Arrows
365,541
Factor Arrows
321,847
Factor Arrows
73,121

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, 7, 3121

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 3 x 7 x 3,121 = 786,492

This can also be written as 22 x 32 x 71 x 3,1211 = 786,492

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 786,492:


Ask a Question