Q: What are the prime factors of the number 436,173,280?

 A: 2, 5, 1361, 2003

Why are those the prime factors of the number 436,173,280?

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 436,173,280

436,173,280
Factor Arrows
2218,086,640
Factor Arrows
2109,043,320
Factor Arrows
254,521,660
Factor Arrows
227,260,830
Factor Arrows
213,630,415
Factor Arrows
52,726,083
Factor Arrows
1,3612,003

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, 5, 1361, 2003

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 5 x 1,361 x 2,003 = 436,173,280

This can also be written as 25 x 51 x 1,3611 x 2,0031 = 436,173,280

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 436,173,280:


Ask a Question