Q: What are the prime factors of the number 14,758,640?

 A: 2, 5, 13, 23, 617

Why are those the prime factors of the number 14,758,640?

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 14,758,640

14,758,640
Factor Arrows
27,379,320
Factor Arrows
23,689,660
Factor Arrows
21,844,830
Factor Arrows
2922,415
Factor Arrows
5184,483
Factor Arrows
1314,191
Factor Arrows
23617

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, 13, 23, 617

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 5 x 13 x 23 x 617 = 14,758,640

This can also be written as 24 x 51 x 131 x 231 x 6171 = 14,758,640

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


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