Q: What are the prime factors of the number 205,143,232?

 A: 2, 7, 109, 4201

Why are those the prime factors of the number 205,143,232?

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 205,143,232

205,143,232
Factor Arrows
2102,571,616
Factor Arrows
251,285,808
Factor Arrows
225,642,904
Factor Arrows
212,821,452
Factor Arrows
26,410,726
Factor Arrows
23,205,363
Factor Arrows
7457,909
Factor Arrows
1094,201

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:

2, 7, 109, 4201

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 2 x 7 x 109 x 4,201 = 205,143,232

This can also be written as 26 x 71 x 1091 x 4,2011 = 205,143,232

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 205,143,232:


Ask a Question