Q: What are the prime factors of the number 16,500,750?

 A: 2, 3, 5, 7, 449

Why are those the prime factors of the number 16,500,750?

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 16,500,750

16,500,750
Factor Arrows
28,250,375
Factor Arrows
32,750,125
Factor Arrows
5550,025
Factor Arrows
5110,005
Factor Arrows
522,001
Factor Arrows
73,143
Factor Arrows
7449

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, 5, 7, 449

We can check our work by multiplying all of the prime factors together: 2 x 3 x 5 x 5 x 5 x 7 x 7 x 449 = 16,500,750

This can also be written as 21 x 31 x 53 x 72 x 4491 = 16,500,750

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


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