Q: What are the prime factors of the number 16,742,808?

 A: 2, 3, 77513

Why are those the prime factors of the number 16,742,808?

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 16,742,808

16,742,808
Factor Arrows
28,371,404
Factor Arrows
24,185,702
Factor Arrows
22,092,851
Factor Arrows
3697,617
Factor Arrows
3232,539
Factor Arrows
377,513

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, 77513

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 3 x 3 x 77,513 = 16,742,808

This can also be written as 23 x 33 x 77,5131 = 16,742,808

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


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