Q: What are the prime factors of the number 133,054,172?

 A: 2, 17, 23, 241, 353

Why are those the prime factors of the number 133,054,172?

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 133,054,172

133,054,172
Factor Arrows
266,527,086
Factor Arrows
233,263,543
Factor Arrows
171,956,679
Factor Arrows
2385,073
Factor Arrows
241353

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, 17, 23, 241, 353

We can check our work by multiplying all of the prime factors together: 2 x 2 x 17 x 23 x 241 x 353 = 133,054,172

This can also be written as 22 x 171 x 231 x 2411 x 3531 = 133,054,172

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 133,054,172:


Ask a Question