Q: What are the prime factors of the number 247,064,257?

 A: 11, 1619, 13873

Why are those the prime factors of the number 247,064,257?

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 247,064,257

247,064,257
Factor Arrows
1122,460,387
Factor Arrows
1,61913,873

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:

11, 1619, 13873

We can check our work by multiplying all of the prime factors together: 11 x 1,619 x 13,873 = 247,064,257

This can also be written as 111 x 1,6191 x 13,8731 = 247,064,257

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 247,064,257:


Ask a Question