Q: What are the prime factors of the number 15,355,323?

 A: 3, 31, 47, 1171

Why are those the prime factors of the number 15,355,323?

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 15,355,323

15,355,323
Factor Arrows
35,118,441
Factor Arrows
31,706,147
Factor Arrows
3155,037
Factor Arrows
471,171

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, 31, 47, 1171

We can check our work by multiplying all of the prime factors together: 3 x 3 x 31 x 47 x 1,171 = 15,355,323

This can also be written as 32 x 311 x 471 x 1,1711 = 15,355,323

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 15,355,323:


Ask a Question