Q: What are the prime factors of the number 65,128,028?

 A: 2, 7, 997, 2333

Why are those the prime factors of the number 65,128,028?

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 65,128,028

65,128,028
Factor Arrows
232,564,014
Factor Arrows
216,282,007
Factor Arrows
72,326,001
Factor Arrows
9972,333

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, 7, 997, 2333

We can check our work by multiplying all of the prime factors together: 2 x 2 x 7 x 997 x 2,333 = 65,128,028

This can also be written as 22 x 71 x 9971 x 2,3331 = 65,128,028

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 65,128,028:


Ask a Question