Q: What are the prime factors of the number 16,562,151?

 A: 3, 7573

Why are those the prime factors of the number 16,562,151?

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 16,562,151

16,562,151
Factor Arrows
35,520,717
Factor Arrows
31,840,239
Factor Arrows
3613,413
Factor Arrows
3204,471
Factor Arrows
368,157
Factor Arrows
322,719
Factor Arrows
37,573

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:

3, 7573

We can check our work by multiplying all of the prime factors together: 3 x 3 x 3 x 3 x 3 x 3 x 3 x 7,573 = 16,562,151

This can also be written as 37 x 7,5731 = 16,562,151

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


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