Q: What are the prime factors of the number 214,200?

 A: 2, 3, 5, 7, 17

Why are those the prime factors of the number 214,200?

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 214,200

214,200
Factor Arrows
2107,100
Factor Arrows
253,550
Factor Arrows
226,775
Factor Arrows
38,925
Factor Arrows
32,975
Factor Arrows
5595
Factor Arrows
5119
Factor Arrows
717

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, 5, 7, 17

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 3 x 5 x 5 x 7 x 17 = 214,200

This can also be written as 23 x 32 x 52 x 71 x 171 = 214,200

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


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