Q: What are the prime factors of the number 14,791,894?

 A: 2, 13, 107, 409

Why are those the prime factors of the number 14,791,894?

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 14,791,894

14,791,894
Factor Arrows
27,395,947
Factor Arrows
13568,919
Factor Arrows
1343,763
Factor Arrows
107409

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, 13, 107, 409

We can check our work by multiplying all of the prime factors together: 2 x 13 x 13 x 107 x 409 = 14,791,894

This can also be written as 21 x 132 x 1071 x 4091 = 14,791,894

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


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