Q: What are the prime factors of the number 162,521,343?

 A: 3, 17, 71, 4987

Why are those the prime factors of the number 162,521,343?

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 162,521,343

162,521,343
Factor Arrows
354,173,781
Factor Arrows
318,057,927
Factor Arrows
36,019,309
Factor Arrows
17354,077
Factor Arrows
714,987

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:

3, 17, 71, 4987

We can check our work by multiplying all of the prime factors together: 3 x 3 x 3 x 17 x 71 x 4,987 = 162,521,343

This can also be written as 33 x 171 x 711 x 4,9871 = 162,521,343

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 162,521,343:


Ask a Question