Q: What are the prime factors of the number 14,251,160?

 A: 2, 5, 7, 11, 661

Why are those the prime factors of the number 14,251,160?

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 14,251,160

14,251,160
Factor Arrows
27,125,580
Factor Arrows
23,562,790
Factor Arrows
21,781,395
Factor Arrows
5356,279
Factor Arrows
750,897
Factor Arrows
77,271
Factor Arrows
11661

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, 11, 661

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 5 x 7 x 7 x 11 x 661 = 14,251,160

This can also be written as 23 x 51 x 72 x 111 x 6611 = 14,251,160

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


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