Q: What are the prime factors of the number 252,210,420?

 A: 2, 3, 5, 7, 11, 31, 587

Why are those the prime factors of the number 252,210,420?

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 252,210,420

252,210,420
Factor Arrows
2126,105,210
Factor Arrows
263,052,605
Factor Arrows
321,017,535
Factor Arrows
37,005,845
Factor Arrows
51,401,169
Factor Arrows
7200,167
Factor Arrows
1118,197
Factor Arrows
31587

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, 11, 31, 587

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 3 x 5 x 7 x 11 x 31 x 587 = 252,210,420

This can also be written as 22 x 32 x 51 x 71 x 111 x 311 x 5871 = 252,210,420

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 252,210,420:


Ask a Question