Q: What are the prime factors of the number 45,723,248?

 A: 2, 227, 12589

Why are those the prime factors of the number 45,723,248?

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 45,723,248

45,723,248
Factor Arrows
222,861,624
Factor Arrows
211,430,812
Factor Arrows
25,715,406
Factor Arrows
22,857,703
Factor Arrows
22712,589

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, 227, 12589

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 227 x 12,589 = 45,723,248

This can also be written as 24 x 2271 x 12,5891 = 45,723,248

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


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