Question

by which no 1240 must be multiplied to make a pperfect cube

Answer 1

Step-by-step explanation:

1240 = 2×2×2×5×31

Here factor 5 and 31 are left

Therefore 1240 should be divided by (5×31) to obtain a perfect cube.

1240/155=8

√8=2

Therefore, 8 is the smallest number by which 1240 be divided to obtain a perfect cube.

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Answer 2

Step-by-step explanation:

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