Q: What are the prime factors of the number 16,546,752?

 A: 2, 3, 23, 1249

Why are those the prime factors of the number 16,546,752?

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 16,546,752

16,546,752
Factor Arrows
28,273,376
Factor Arrows
24,136,688
Factor Arrows
22,068,344
Factor Arrows
21,034,172
Factor Arrows
2517,086
Factor Arrows
2258,543
Factor Arrows
386,181
Factor Arrows
328,727
Factor Arrows
231,249

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, 23, 1249

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 3 x 3 x 23 x 1,249 = 16,546,752

This can also be written as 26 x 32 x 231 x 1,2491 = 16,546,752

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


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