Q: What are the prime factors of the number 64,644,864?

 A: 2, 3, 41, 2053

Why are those the prime factors of the number 64,644,864?

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 64,644,864

64,644,864
Factor Arrows
232,322,432
Factor Arrows
216,161,216
Factor Arrows
28,080,608
Factor Arrows
24,040,304
Factor Arrows
22,020,152
Factor Arrows
21,010,076
Factor Arrows
2505,038
Factor Arrows
2252,519
Factor Arrows
384,173
Factor Arrows
412,053

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, 41, 2053

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 2 x 3 x 41 x 2,053 = 64,644,864

This can also be written as 28 x 31 x 411 x 2,0531 = 64,644,864

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 64,644,864:


Ask a Question