Q: What are the prime factors of the number 45,235,136?

 A: 2, 41, 17239

Why are those the prime factors of the number 45,235,136?

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 45,235,136

45,235,136
Factor Arrows
222,617,568
Factor Arrows
211,308,784
Factor Arrows
25,654,392
Factor Arrows
22,827,196
Factor Arrows
21,413,598
Factor Arrows
2706,799
Factor Arrows
4117,239

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, 41, 17239

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 41 x 17,239 = 45,235,136

This can also be written as 26 x 411 x 17,2391 = 45,235,136

If you would like to know more, or need additional explanation, please review our prime factorization explanation.


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