Q: What are the prime factors of the number 225,750?

 A: 2, 3, 5, 7, 43

Why are those the prime factors of the number 225,750?

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 225,750

225,750
Factor Arrows
2112,875
Factor Arrows
337,625
Factor Arrows
57,525
Factor Arrows
51,505
Factor Arrows
5301
Factor Arrows
743

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, 43

We can check our work by multiplying all of the prime factors together: 2 x 3 x 5 x 5 x 5 x 7 x 43 = 225,750

This can also be written as 21 x 31 x 53 x 71 x 431 = 225,750

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


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