Q: What are the prime factors of the number 225,896?

 A: 2, 11, 17, 151

Why are those the prime factors of the number 225,896?

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 225,896

225,896
Factor Arrows
2112,948
Factor Arrows
256,474
Factor Arrows
228,237
Factor Arrows
112,567
Factor Arrows
17151

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, 11, 17, 151

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 11 x 17 x 151 = 225,896

This can also be written as 23 x 111 x 171 x 1511 = 225,896

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


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