Q: What are the prime factors of the number 14,106,400?

 A: 2, 5, 7, 11, 229

Why are those the prime factors of the number 14,106,400?

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 14,106,400

14,106,400
Factor Arrows
27,053,200
Factor Arrows
23,526,600
Factor Arrows
21,763,300
Factor Arrows
2881,650
Factor Arrows
2440,825
Factor Arrows
588,165
Factor Arrows
517,633
Factor Arrows
72,519
Factor Arrows
11229

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, 229

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 5 x 5 x 7 x 11 x 229 = 14,106,400

This can also be written as 25 x 52 x 71 x 111 x 2291 = 14,106,400

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


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