Q: What are the prime factors of the number 14,163,156?

 A: 2, 3, 7, 31, 37

Why are those the prime factors of the number 14,163,156?

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 14,163,156

14,163,156
Factor Arrows
27,081,578
Factor Arrows
23,540,789
Factor Arrows
31,180,263
Factor Arrows
3393,421
Factor Arrows
756,203
Factor Arrows
78,029
Factor Arrows
71,147
Factor Arrows
3137

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, 7, 31, 37

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 3 x 7 x 7 x 7 x 31 x 37 = 14,163,156

This can also be written as 22 x 32 x 73 x 311 x 371 = 14,163,156

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


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