- Aa multiple of 3
- Ba multiple of 2
- Cexactly once
- Da multiple of 4
Step-by-Step Solution
A perfect cube has every prime appearing in groups of three, i.e. the exponent of each prime is a multiple of 3.
Answer: A) a multiple of 3
In the prime factorisation of a perfect cube, how many times must each prime factor occur (or a multiple of how many)?
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