Q: What are the prime factors of the number 747,383,385?

 A: 3, 5, 7, 59, 223, 541

Why are those the prime factors of the number 747,383,385?

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 747,383,385

747,383,385
Factor Arrows
3249,127,795
Factor Arrows
549,825,559
Factor Arrows
77,117,937
Factor Arrows
59120,643
Factor Arrows
223541

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:

3, 5, 7, 59, 223, 541

We can check our work by multiplying all of the prime factors together: 3 x 5 x 7 x 59 x 223 x 541 = 747,383,385

This can also be written as 31 x 51 x 71 x 591 x 2231 x 5411 = 747,383,385

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 747,383,385:


Ask a Question