Q: What are the prime factors of the number 68,281,749?

 A: 3, 821, 9241

Why are those the prime factors of the number 68,281,749?

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 68,281,749

68,281,749
Factor Arrows
322,760,583
Factor Arrows
37,586,861
Factor Arrows
8219,241

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:

3, 821, 9241

We can check our work by multiplying all of the prime factors together: 3 x 3 x 821 x 9,241 = 68,281,749

This can also be written as 32 x 8211 x 9,2411 = 68,281,749

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 68,281,749:


Ask a Question