Q: What are the prime factors of the number 250,200?

 A: 2, 3, 5, 139

Why are those the prime factors of the number 250,200?

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 250,200

250,200
Factor Arrows
2125,100
Factor Arrows
262,550
Factor Arrows
231,275
Factor Arrows
310,425
Factor Arrows
33,475
Factor Arrows
5695
Factor Arrows
5139

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, 139

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 139 = 250,200

This can also be written as 23 x 32 x 52 x 1391 = 250,200

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


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