Q: What are the prime factors of the number 16,103,986?

 A: 2, 47, 67, 2557

Why are those the prime factors of the number 16,103,986?

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 16,103,986

16,103,986
Factor Arrows
28,051,993
Factor Arrows
47171,319
Factor Arrows
672,557

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, 47, 67, 2557

We can check our work by multiplying all of the prime factors together: 2 x 47 x 67 x 2,557 = 16,103,986

This can also be written as 21 x 471 x 671 x 2,5571 = 16,103,986

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


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