Q: What are the prime factors of the number 68,832,128?

 A: 2, 181, 2971

Why are those the prime factors of the number 68,832,128?

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 68,832,128

68,832,128
Factor Arrows
234,416,064
Factor Arrows
217,208,032
Factor Arrows
28,604,016
Factor Arrows
24,302,008
Factor Arrows
22,151,004
Factor Arrows
21,075,502
Factor Arrows
2537,751
Factor Arrows
1812,971

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, 181, 2971

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 181 x 2,971 = 68,832,128

This can also be written as 27 x 1811 x 2,9711 = 68,832,128

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 68,832,128:


Ask a Question