Q: What are the prime factors of the number 717,757,440?

 A: 2, 3, 5, 83, 563

Why are those the prime factors of the number 717,757,440?

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 717,757,440

717,757,440
Factor Arrows
2358,878,720
Factor Arrows
2179,439,360
Factor Arrows
289,719,680
Factor Arrows
244,859,840
Factor Arrows
222,429,920
Factor Arrows
211,214,960
Factor Arrows
25,607,480
Factor Arrows
22,803,740
Factor Arrows
21,401,870
Factor Arrows
2700,935
Factor Arrows
3233,645
Factor Arrows
546,729
Factor Arrows
83563

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, 5, 83, 563

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 2 x 2 x 2 x 2 x 2 x 3 x 5 x 83 x 563 = 717,757,440

This can also be written as 210 x 31 x 51 x 831 x 5631 = 717,757,440

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 717,757,440:


Ask a Question