Classify each number as prime, composite, or neither: $$1,\quad2,\quad27,\quad37,\quad49.$$ For each

Question

Classify each number as prime, composite, or neither: $$1,\quad2,\quad27,\quad37,\quad49.$$ For each composite number, give a factor pair other than $1$ and itself. Explain your classification of $1$.

Accepted Answer

1: Neither; 2: Prime; 27: Composite $(27=3\times9)$ ; 37: Prime; 49: Composite $(49=7\times7)$.

Primes, HCF and LCM

Primes, HCF and LCM

Solution:

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