Q: What are the prime factors of the number 126,303,450?

 A: 2, 3, 5, 7, 13, 19, 487

Why are those the prime factors of the number 126,303,450?

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 126,303,450

126,303,450
Factor Arrows
263,151,725
Factor Arrows
321,050,575
Factor Arrows
54,210,115
Factor Arrows
5842,023
Factor Arrows
7120,289
Factor Arrows
139,253
Factor Arrows
19487

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, 7, 13, 19, 487

We can check our work by multiplying all of the prime factors together: 2 x 3 x 5 x 5 x 7 x 13 x 19 x 487 = 126,303,450

This can also be written as 21 x 31 x 52 x 71 x 131 x 191 x 4871 = 126,303,450

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 126,303,450:


Ask a Question