Find the smallest number by which each of the following number must be divided to obtain a perfect cube of 28672
Answers
Answered by
8
Refer to the attachment :)
Attachments:
Answered by
2
Answer:
prime factorisation of 28672 gives =
2×2×2×2×2×2×2×2×2×2×2×2×7
(2×2×2)×(2×2×2)×(2×2×2)×(2×2×2)×7
as seven is left out
so 28672 must be divided by 7 to get a perfect cube that is 4096(cube of 16)
hope it helpful
Similar questions