Q: What are the prime factors of the number 7,779,744?

 A: 2, 3, 7, 17, 227

Why are those the prime factors of the number 7,779,744?

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 7,779,744

7,779,744
Factor Arrows
23,889,872
Factor Arrows
21,944,936
Factor Arrows
2972,468
Factor Arrows
2486,234
Factor Arrows
2243,117
Factor Arrows
381,039
Factor Arrows
327,013
Factor Arrows
73,859
Factor Arrows
17227

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, 7, 17, 227

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 3 x 3 x 7 x 17 x 227 = 7,779,744

This can also be written as 25 x 32 x 71 x 171 x 2271 = 7,779,744

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 7,779,744:


Ask a Question