Q: What are the prime factors of the number 19,007,232?

 A: 2, 3, 24749

Why are those the prime factors of the number 19,007,232?

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 19,007,232

19,007,232
Factor Arrows
29,503,616
Factor Arrows
24,751,808
Factor Arrows
22,375,904
Factor Arrows
21,187,952
Factor Arrows
2593,976
Factor Arrows
2296,988
Factor Arrows
2148,494
Factor Arrows
274,247
Factor Arrows
324,749

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, 24749

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 3 x 24,749 = 19,007,232

This can also be written as 28 x 31 x 24,7491 = 19,007,232

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


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