Q: What are the prime factors of the number 311,271,224?

 A: 2, 11, 17, 19, 47, 233

Why are those the prime factors of the number 311,271,224?

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 311,271,224

311,271,224
Factor Arrows
2155,635,612
Factor Arrows
277,817,806
Factor Arrows
238,908,903
Factor Arrows
113,537,173
Factor Arrows
17208,069
Factor Arrows
1910,951
Factor Arrows
47233

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, 11, 17, 19, 47, 233

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 11 x 17 x 19 x 47 x 233 = 311,271,224

This can also be written as 23 x 111 x 171 x 191 x 471 x 2331 = 311,271,224

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 311,271,224:


Ask a Question