Q: What are the prime factors of the number 16,433,500?

 A: 2, 5, 23, 1429

Why are those the prime factors of the number 16,433,500?

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 16,433,500

16,433,500
Factor Arrows
28,216,750
Factor Arrows
24,108,375
Factor Arrows
5821,675
Factor Arrows
5164,335
Factor Arrows
532,867
Factor Arrows
231,429

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, 23, 1429

We can check our work by multiplying all of the prime factors together: 2 x 2 x 5 x 5 x 5 x 23 x 1,429 = 16,433,500

This can also be written as 22 x 53 x 231 x 1,4291 = 16,433,500

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


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