Q: What are the prime factors of the number 813,450,600?

 A: 2, 3, 5, 149, 337

Why are those the prime factors of the number 813,450,600?

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 813,450,600

813,450,600
Factor Arrows
2406,725,300
Factor Arrows
2203,362,650
Factor Arrows
2101,681,325
Factor Arrows
333,893,775
Factor Arrows
311,297,925
Factor Arrows
33,765,975
Factor Arrows
31,255,325
Factor Arrows
5251,065
Factor Arrows
550,213
Factor Arrows
149337

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, 3, 5, 149, 337

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 3 x 3 x 3 x 5 x 5 x 149 x 337 = 813,450,600

This can also be written as 23 x 34 x 52 x 1491 x 3371 = 813,450,600

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 813,450,600:


Ask a Question