Q: What are the prime factors of the number 23,512,512?

 A: 2, 3, 151, 811

Why are those the prime factors of the number 23,512,512?

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 23,512,512

23,512,512
Factor Arrows
211,756,256
Factor Arrows
25,878,128
Factor Arrows
22,939,064
Factor Arrows
21,469,532
Factor Arrows
2734,766
Factor Arrows
2367,383
Factor Arrows
3122,461
Factor Arrows
151811

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, 151, 811

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 3 x 151 x 811 = 23,512,512

This can also be written as 26 x 31 x 1511 x 8111 = 23,512,512

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


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