Q: What are the prime factors of the number 53,033,123?

 A: 11, 13, 19, 131, 149

Why are those the prime factors of the number 53,033,123?

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 53,033,123

53,033,123
Factor Arrows
114,821,193
Factor Arrows
13370,861
Factor Arrows
1919,519
Factor Arrows
131149

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, 13, 19, 131, 149

We can check our work by multiplying all of the prime factors together: 11 x 13 x 19 x 131 x 149 = 53,033,123

This can also be written as 111 x 131 x 191 x 1311 x 1491 = 53,033,123

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 53,033,123:


Ask a Question