Q: What are the prime factors of the number 14,252,420?

 A: 2, 5, 7, 13, 41, 191

Why are those the prime factors of the number 14,252,420?

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 14,252,420

14,252,420
Factor Arrows
27,126,210
Factor Arrows
23,563,105
Factor Arrows
5712,621
Factor Arrows
7101,803
Factor Arrows
137,831
Factor Arrows
41191

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, 13, 41, 191

We can check our work by multiplying all of the prime factors together: 2 x 2 x 5 x 7 x 13 x 41 x 191 = 14,252,420

This can also be written as 22 x 51 x 71 x 131 x 411 x 1911 = 14,252,420

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


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