Q: What are the prime factors of the number 690,256?

 A: 2, 7, 6163

Why are those the prime factors of the number 690,256?

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 690,256

690,256
Factor Arrows
2345,128
Factor Arrows
2172,564
Factor Arrows
286,282
Factor Arrows
243,141
Factor Arrows
76,163

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, 6163

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 7 x 6,163 = 690,256

This can also be written as 24 x 71 x 6,1631 = 690,256

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 690,256:


Ask a Question