Q: What are the prime factors of the number 328,108,748?

 A: 2, 11, 37, 43, 109

Why are those the prime factors of the number 328,108,748?

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 328,108,748

328,108,748
Factor Arrows
2164,054,374
Factor Arrows
282,027,187
Factor Arrows
117,457,017
Factor Arrows
37201,541
Factor Arrows
434,687
Factor Arrows
43109

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, 11, 37, 43, 109

We can check our work by multiplying all of the prime factors together: 2 x 2 x 11 x 37 x 43 x 43 x 109 = 328,108,748

This can also be written as 22 x 111 x 371 x 432 x 1091 = 328,108,748

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 328,108,748:


Ask a Question