Q: What are the prime factors of the number 19,704,992?

 A: 2, 229, 2689

Why are those the prime factors of the number 19,704,992?

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 19,704,992

19,704,992
Factor Arrows
29,852,496
Factor Arrows
24,926,248
Factor Arrows
22,463,124
Factor Arrows
21,231,562
Factor Arrows
2615,781
Factor Arrows
2292,689

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, 229, 2689

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 229 x 2,689 = 19,704,992

This can also be written as 25 x 2291 x 2,6891 = 19,704,992

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


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