Q: What are the prime factors of the number 726,770,450?

 A: 2, 5, 7, 29, 53, 193

Why are those the prime factors of the number 726,770,450?

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 726,770,450

726,770,450
Factor Arrows
2363,385,225
Factor Arrows
572,677,045
Factor Arrows
514,535,409
Factor Arrows
72,076,487
Factor Arrows
7296,641
Factor Arrows
2910,229
Factor Arrows
53193

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, 29, 53, 193

We can check our work by multiplying all of the prime factors together: 2 x 5 x 5 x 7 x 7 x 29 x 53 x 193 = 726,770,450

This can also be written as 21 x 52 x 72 x 291 x 531 x 1931 = 726,770,450

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 726,770,450:


Ask a Question