Q: What are the prime factors of the number 243,301,430?

 A: 2, 5, 113, 139, 1549

Why are those the prime factors of the number 243,301,430?

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 243,301,430

243,301,430
Factor Arrows
2121,650,715
Factor Arrows
524,330,143
Factor Arrows
113215,311
Factor Arrows
1391,549

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, 113, 139, 1549

We can check our work by multiplying all of the prime factors together: 2 x 5 x 113 x 139 x 1,549 = 243,301,430

This can also be written as 21 x 51 x 1131 x 1391 x 1,5491 = 243,301,430

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 243,301,430:


Ask a Question