Q: What are the prime factors of the number 616,500,556?

 A: 2, 7, 23, 163, 839

Why are those the prime factors of the number 616,500,556?

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 616,500,556

616,500,556
Factor Arrows
2308,250,278
Factor Arrows
2154,125,139
Factor Arrows
722,017,877
Factor Arrows
73,145,411
Factor Arrows
23136,757
Factor Arrows
163839

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, 7, 23, 163, 839

We can check our work by multiplying all of the prime factors together: 2 x 2 x 7 x 7 x 23 x 163 x 839 = 616,500,556

This can also be written as 22 x 72 x 231 x 1631 x 8391 = 616,500,556

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 616,500,556:


Ask a Question