Q: What are the prime factors of the number 45,024,512?

 A: 2, 13, 83, 163

Why are those the prime factors of the number 45,024,512?

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 45,024,512

45,024,512
Factor Arrows
222,512,256
Factor Arrows
211,256,128
Factor Arrows
25,628,064
Factor Arrows
22,814,032
Factor Arrows
21,407,016
Factor Arrows
2703,508
Factor Arrows
2351,754
Factor Arrows
2175,877
Factor Arrows
1313,529
Factor Arrows
83163

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, 13, 83, 163

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 13 x 83 x 163 = 45,024,512

This can also be written as 28 x 131 x 831 x 1631 = 45,024,512

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


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