Q: What are the prime factors of the number 175,851,621?

 A: 3, 11, 17, 29, 1201

Why are those the prime factors of the number 175,851,621?

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 175,851,621

175,851,621
Factor Arrows
358,617,207
Factor Arrows
319,539,069
Factor Arrows
36,513,023
Factor Arrows
11592,093
Factor Arrows
1734,829
Factor Arrows
291,201

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, 11, 17, 29, 1201

We can check our work by multiplying all of the prime factors together: 3 x 3 x 3 x 11 x 17 x 29 x 1,201 = 175,851,621

This can also be written as 33 x 111 x 171 x 291 x 1,2011 = 175,851,621

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 175,851,621:


Ask a Question