Q: What are the prime factors of the number 16,742,133?

 A: 3, 139, 1487

Why are those the prime factors of the number 16,742,133?

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 16,742,133

16,742,133
Factor Arrows
35,580,711
Factor Arrows
31,860,237
Factor Arrows
3620,079
Factor Arrows
3206,693
Factor Arrows
1391,487

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, 139, 1487

We can check our work by multiplying all of the prime factors together: 3 x 3 x 3 x 3 x 139 x 1,487 = 16,742,133

This can also be written as 34 x 1391 x 1,4871 = 16,742,133

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 16,742,133:


Ask a Question