Q: What are the prime factors of the number 14,960,640?

 A: 2, 3, 5, 487

Why are those the prime factors of the number 14,960,640?

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 14,960,640

14,960,640
Factor Arrows
27,480,320
Factor Arrows
23,740,160
Factor Arrows
21,870,080
Factor Arrows
2935,040
Factor Arrows
2467,520
Factor Arrows
2233,760
Factor Arrows
2116,880
Factor Arrows
258,440
Factor Arrows
229,220
Factor Arrows
214,610
Factor Arrows
27,305
Factor Arrows
32,435
Factor Arrows
5487

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, 487

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 2 x 2 x 2 x 2 x 2 x 2 x 3 x 5 x 487 = 14,960,640

This can also be written as 211 x 31 x 51 x 4871 = 14,960,640

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


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