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If "number" is only whole numbers then: 17

If "number" can include fractions, then 1/68

Prime factorising 68 gives:

68 = 22 x 17

For a number to be a square number, all the powers of the primes in the prime factorisation of a number must be even.

68 has two primes:

  • 2 is to the power 2, so already has an even power
  • 17 is to the power 1, so needs to be multiplied by 17 to make it even.

Thus 68 needs to be multiplied by 17 to give 1156 (= 22 x 172) which is 34 (= 2 x 17) squared.

If "number" is not limited to "whole numbers", then 68 x 1/68 = 1 = 12

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โˆ™ 2012-01-14 16:27:43
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Q: What is the smallest number by which you can multiply 68 so that the answer is a square number?
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What number can you get that is multiplied and it equals 68?

square-root of 68 times square-root of 68 = 68 (square-root of any number) squared is that number


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To find 120 percent of a number, multiply the number by 1.2. In this instance, 1.2 x 68 = 81.6. Therefore, 120 percent of 68 is equal to 81.6.


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