Q: What are the prime factors of the number 16,940,988?

 A: 2, 3, 29, 601

Why are those the prime factors of the number 16,940,988?

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 16,940,988

16,940,988
Factor Arrows
28,470,494
Factor Arrows
24,235,247
Factor Arrows
31,411,749
Factor Arrows
3470,583
Factor Arrows
3156,861
Factor Arrows
352,287
Factor Arrows
317,429
Factor Arrows
29601

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, 29, 601

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 3 x 3 x 3 x 3 x 29 x 601 = 16,940,988

This can also be written as 22 x 35 x 291 x 6011 = 16,940,988

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


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