Q: What are the prime factors of the number 615,520,360?

 A: 2, 5, 7, 13, 17, 29

Why are those the prime factors of the number 615,520,360?

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 615,520,360

615,520,360
Factor Arrows
2307,760,180
Factor Arrows
2153,880,090
Factor Arrows
276,940,045
Factor Arrows
515,388,009
Factor Arrows
72,198,287
Factor Arrows
7314,041
Factor Arrows
744,863
Factor Arrows
76,409
Factor Arrows
13493
Factor Arrows
1729

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, 13, 17, 29

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 5 x 7 x 7 x 7 x 7 x 13 x 17 x 29 = 615,520,360

This can also be written as 23 x 51 x 74 x 131 x 171 x 291 = 615,520,360

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 615,520,360:


Ask a Question