Q: What are the prime factors of the number 23,665,216?

 A: 2, 197, 1877

Why are those the prime factors of the number 23,665,216?

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 23,665,216

23,665,216
Factor Arrows
211,832,608
Factor Arrows
25,916,304
Factor Arrows
22,958,152
Factor Arrows
21,479,076
Factor Arrows
2739,538
Factor Arrows
2369,769
Factor Arrows
1971,877

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, 197, 1877

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 197 x 1,877 = 23,665,216

This can also be written as 26 x 1971 x 1,8771 = 23,665,216

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


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