Q: What are the prime factors of the number 161,043,648?

 A: 2, 3, 838769

Why are those the prime factors of the number 161,043,648?

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 161,043,648

161,043,648
Factor Arrows
280,521,824
Factor Arrows
240,260,912
Factor Arrows
220,130,456
Factor Arrows
210,065,228
Factor Arrows
25,032,614
Factor Arrows
22,516,307
Factor Arrows
3838,769

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, 838769

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 3 x 838,769 = 161,043,648

This can also be written as 26 x 31 x 838,7691 = 161,043,648

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 161,043,648:


Ask a Question