Q: What are the prime factors of the number 64,906,600?

 A: 2, 5, 11, 163, 181

Why are those the prime factors of the number 64,906,600?

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 64,906,600

64,906,600
Factor Arrows
232,453,300
Factor Arrows
216,226,650
Factor Arrows
28,113,325
Factor Arrows
51,622,665
Factor Arrows
5324,533
Factor Arrows
1129,503
Factor Arrows
163181

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, 5, 11, 163, 181

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 5 x 5 x 11 x 163 x 181 = 64,906,600

This can also be written as 23 x 52 x 111 x 1631 x 1811 = 64,906,600

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 64,906,600:


Ask a Question