The smallest number by which 686 should be divided to make it a perfect cube.
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The smallest number by which 686 should be divided to make it a perfect cube is 2.
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Factorization of 686 = ³√2x7x7x7
Cube root of 686 = 7 ³√2
So, when we divide 686 with 2 the number will be a perfect cube.
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