Q: What are the prime factors of the number 11,678,150?

 A: 2, 5, 11, 17, 1249

Why are those the prime factors of the number 11,678,150?

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 11,678,150

11,678,150
Factor Arrows
25,839,075
Factor Arrows
51,167,815
Factor Arrows
5233,563
Factor Arrows
1121,233
Factor Arrows
171,249

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, 5, 11, 17, 1249

We can check our work by multiplying all of the prime factors together: 2 x 5 x 5 x 11 x 17 x 1,249 = 11,678,150

This can also be written as 21 x 52 x 111 x 171 x 1,2491 = 11,678,150

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


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