Q: What are the prime factors of the number 615,727,242?

 A: 2, 3, 13, 127, 20719

Why are those the prime factors of the number 615,727,242?

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 615,727,242

615,727,242
Factor Arrows
2307,863,621
Factor Arrows
3102,621,207
Factor Arrows
334,207,069
Factor Arrows
132,631,313
Factor Arrows
12720,719

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, 13, 127, 20719

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 13 x 127 x 20,719 = 615,727,242

This can also be written as 21 x 32 x 131 x 1271 x 20,7191 = 615,727,242

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 615,727,242:


Ask a Question