Q: What are the prime factors of the number 13,114,500?

 A: 2, 3, 5, 7, 1249

Why are those the prime factors of the number 13,114,500?

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 13,114,500

13,114,500
Factor Arrows
26,557,250
Factor Arrows
23,278,625
Factor Arrows
31,092,875
Factor Arrows
5218,575
Factor Arrows
543,715
Factor Arrows
58,743
Factor Arrows
71,249

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, 3, 5, 7, 1249

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 5 x 5 x 5 x 7 x 1,249 = 13,114,500

This can also be written as 22 x 31 x 53 x 71 x 1,2491 = 13,114,500

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


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