Q: What are the prime factors of the number 223,650?

 A: 2, 3, 5, 7, 71

Why are those the prime factors of the number 223,650?

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 223,650

223,650
Factor Arrows
2111,825
Factor Arrows
337,275
Factor Arrows
312,425
Factor Arrows
52,485
Factor Arrows
5497
Factor Arrows
771

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, 71

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 5 x 5 x 7 x 71 = 223,650

This can also be written as 21 x 32 x 52 x 71 x 711 = 223,650

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


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