Q: What are the prime factors of the number 14,241,640?

 A: 2, 5, 7, 19, 2677

Why are those the prime factors of the number 14,241,640?

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 14,241,640

14,241,640
Factor Arrows
27,120,820
Factor Arrows
23,560,410
Factor Arrows
21,780,205
Factor Arrows
5356,041
Factor Arrows
750,863
Factor Arrows
192,677

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, 7, 19, 2677

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 5 x 7 x 19 x 2,677 = 14,241,640

This can also be written as 23 x 51 x 71 x 191 x 2,6771 = 14,241,640

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


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