Q: What are the prime factors of the number 16,725,320?

 A: 2, 5, 19, 59, 373

Why are those the prime factors of the number 16,725,320?

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 16,725,320

16,725,320
Factor Arrows
28,362,660
Factor Arrows
24,181,330
Factor Arrows
22,090,665
Factor Arrows
5418,133
Factor Arrows
1922,007
Factor Arrows
59373

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, 5, 19, 59, 373

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 5 x 19 x 59 x 373 = 16,725,320

This can also be written as 23 x 51 x 191 x 591 x 3731 = 16,725,320

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


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