Q: What are the prime factors of the number 741,180,160?

 A: 2, 5, 7, 82721

Why are those the prime factors of the number 741,180,160?

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 741,180,160

741,180,160
Factor Arrows
2370,590,080
Factor Arrows
2185,295,040
Factor Arrows
292,647,520
Factor Arrows
246,323,760
Factor Arrows
223,161,880
Factor Arrows
211,580,940
Factor Arrows
25,790,470
Factor Arrows
22,895,235
Factor Arrows
5579,047
Factor Arrows
782,721

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, 82721

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 5 x 7 x 82,721 = 741,180,160

This can also be written as 28 x 51 x 71 x 82,7211 = 741,180,160

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 741,180,160:


Ask a Question