Q: What are the prime factors of the number 326,722,560?

 A: 2, 3, 5, 89, 239

Why are those the prime factors of the number 326,722,560?

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 326,722,560

326,722,560
Factor Arrows
2163,361,280
Factor Arrows
281,680,640
Factor Arrows
240,840,320
Factor Arrows
220,420,160
Factor Arrows
210,210,080
Factor Arrows
25,105,040
Factor Arrows
22,552,520
Factor Arrows
21,276,260
Factor Arrows
2638,130
Factor Arrows
2319,065
Factor Arrows
3106,355
Factor Arrows
521,271
Factor Arrows
89239

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, 3, 5, 89, 239

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 2 x 2 x 3 x 5 x 89 x 239 = 326,722,560

This can also be written as 210 x 31 x 51 x 891 x 2391 = 326,722,560

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 326,722,560:


Ask a Question