Q: What are the prime factors of the number 651,968?

 A: 2, 61, 167

Why are those the prime factors of the number 651,968?

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 651,968

651,968
Factor Arrows
2325,984
Factor Arrows
2162,992
Factor Arrows
281,496
Factor Arrows
240,748
Factor Arrows
220,374
Factor Arrows
210,187
Factor Arrows
61167

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, 61, 167

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 2 x 61 x 167 = 651,968

This can also be written as 26 x 611 x 1671 = 651,968

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 651,968:


Ask a Question