Q: What are the prime factors of the number 23,166,432?

 A: 2, 3, 26813

Why are those the prime factors of the number 23,166,432?

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 23,166,432

23,166,432
Factor Arrows
211,583,216
Factor Arrows
25,791,608
Factor Arrows
22,895,804
Factor Arrows
21,447,902
Factor Arrows
2723,951
Factor Arrows
3241,317
Factor Arrows
380,439
Factor Arrows
326,813

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, 26813

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 3 x 3 x 3 x 26,813 = 23,166,432

This can also be written as 25 x 33 x 26,8131 = 23,166,432

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


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