Is 243 a perfect cube? Give the answer by doing prime factorisation.
Answers
Answered by
1
Answer:
The prime factor 3 is not a group of three. Thus, the smallest required number to multiply 243 to make it aperfect cube is 3. Grouping the prime factors of 256 in triples, we are left over with 2 × 2. ... Thus, the smallest required number to multiply 675 such that the new number perfect cube is 5.
Similar questions