Q: What are the prime factors of the number 551,877,130?

 A: 2, 5, 7, 101, 78059

Why are those the prime factors of the number 551,877,130?

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 551,877,130

551,877,130
Factor Arrows
2275,938,565
Factor Arrows
555,187,713
Factor Arrows
77,883,959
Factor Arrows
10178,059

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, 7, 101, 78059

We can check our work by multiplying all of the prime factors together: 2 x 5 x 7 x 101 x 78,059 = 551,877,130

This can also be written as 21 x 51 x 71 x 1011 x 78,0591 = 551,877,130

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 551,877,130:


Ask a Question