Find the smallest number by which 256 must be multiplied to obtain a perfect cube. About the author Daisy
Answer: By prime factorization, 256 can be written as 2 3 ×2 3 ×2 2 by making 2 into groups of 3. In the third group, one 2 is missing. 256=2 3 ×2 3 ×2 2 So, 512=2 3 ×2 3 ×2 2 ×2 Hence, number 2 must be smallest number that must be multiplied to make it a perfect cube. Reply
Answer:
By prime factorization, 256 can be written as 2
3
×2
3
×2
2
by making 2 into groups of 3.
In the third group, one 2 is missing.
256=2
3
×2
3
×2
2
So, 512=2
3
×2
3
×2
2
×2
Hence, number 2 must be smallest number that must be multiplied to make it a perfect cube.
Step-by-step explanation:
divide by 4 bro . You will get a perfect cube 64