Q: What are the prime factors of the number 385,668,723?

 A: 3, 11, 37, 263, 1201

Why are those the prime factors of the number 385,668,723?

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 385,668,723

385,668,723
Factor Arrows
3128,556,241
Factor Arrows
1111,686,931
Factor Arrows
37315,863
Factor Arrows
2631,201

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, 11, 37, 263, 1201

We can check our work by multiplying all of the prime factors together: 3 x 11 x 37 x 263 x 1,201 = 385,668,723

This can also be written as 31 x 111 x 371 x 2631 x 1,2011 = 385,668,723

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 385,668,723:


Ask a Question