Q: What are the prime factors of the number 405,063,450?

 A: 2, 3, 5, 11, 27277

Why are those the prime factors of the number 405,063,450?

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 405,063,450

405,063,450
Factor Arrows
2202,531,725
Factor Arrows
367,510,575
Factor Arrows
322,503,525
Factor Arrows
37,501,175
Factor Arrows
51,500,235
Factor Arrows
5300,047
Factor Arrows
1127,277

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, 11, 27277

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 3 x 5 x 5 x 11 x 27,277 = 405,063,450

This can also be written as 21 x 33 x 52 x 111 x 27,2771 = 405,063,450

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 405,063,450:


Ask a Question