Q: What are the prime factors of the number 16,743,510?

 A: 2, 3, 5, 7, 2953

Why are those the prime factors of the number 16,743,510?

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 16,743,510

16,743,510
Factor Arrows
28,371,755
Factor Arrows
32,790,585
Factor Arrows
3930,195
Factor Arrows
3310,065
Factor Arrows
3103,355
Factor Arrows
520,671
Factor Arrows
72,953

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, 2953

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 3 x 3 x 5 x 7 x 2,953 = 16,743,510

This can also be written as 21 x 34 x 51 x 71 x 2,9531 = 16,743,510

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


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