²√18
First break up the value inside into the prime numbers
18 = 9 * 2 = 3 * 3 * 2
Since its a square root ( root = 2) look for pairs of the same number.
Then bring them out of the square root since n² cancels as square root.
Thus the answer is
3√2
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The square root of 4 is either +2 or -2
The square root of 18, rounded to the nearest integer, is 4.
√182 is 18. Trouble is, that's not 18 squared. Try √3242 * * * * * Good try but not good enough! 18 squared is the squared root of 18 to the fourth power. That is to say, 324 is the square root of 104,976
-18 and +18
Since the square root of 18 is not an integer, it doesn't have a prime factorization.