Q: What are the prime factors of the number 45,714,144?

 A: 2, 3, 7, 59, 1153

Why are those the prime factors of the number 45,714,144?

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 45,714,144

45,714,144
Factor Arrows
222,857,072
Factor Arrows
211,428,536
Factor Arrows
25,714,268
Factor Arrows
22,857,134
Factor Arrows
21,428,567
Factor Arrows
3476,189
Factor Arrows
768,027
Factor Arrows
591,153

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, 7, 59, 1153

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 3 x 7 x 59 x 1,153 = 45,714,144

This can also be written as 25 x 31 x 71 x 591 x 1,1531 = 45,714,144

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 45,714,144:


Ask a Question