Q: What are the prime factors of the number 762,288,380?

 A: 2, 5, 7, 79, 157, 439

Why are those the prime factors of the number 762,288,380?

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 762,288,380

762,288,380
Factor Arrows
2381,144,190
Factor Arrows
2190,572,095
Factor Arrows
538,114,419
Factor Arrows
75,444,917
Factor Arrows
7968,923
Factor Arrows
157439

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, 5, 7, 79, 157, 439

We can check our work by multiplying all of the prime factors together: 2 x 2 x 5 x 7 x 79 x 157 x 439 = 762,288,380

This can also be written as 22 x 51 x 71 x 791 x 1571 x 4391 = 762,288,380

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 762,288,380:


Ask a Question