Q: What are the prime factors of the number 14,162,176?

 A: 2, 7, 1129

Why are those the prime factors of the number 14,162,176?

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 14,162,176

14,162,176
Factor Arrows
27,081,088
Factor Arrows
23,540,544
Factor Arrows
21,770,272
Factor Arrows
2885,136
Factor Arrows
2442,568
Factor Arrows
2221,284
Factor Arrows
2110,642
Factor Arrows
255,321
Factor Arrows
77,903
Factor Arrows
71,129

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, 7, 1129

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 7 x 7 x 1,129 = 14,162,176

This can also be written as 28 x 72 x 1,1291 = 14,162,176

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


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