Q: What are the prime factors of the number 16,748,138?

 A: 2, 11, 29, 26251

Why are those the prime factors of the number 16,748,138?

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 16,748,138

16,748,138
Factor Arrows
28,374,069
Factor Arrows
11761,279
Factor Arrows
2926,251

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, 11, 29, 26251

We can check our work by multiplying all of the prime factors together: 2 x 11 x 29 x 26,251 = 16,748,138

This can also be written as 21 x 111 x 291 x 26,2511 = 16,748,138

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


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