Question
Find numbers between $1$ and $100$ having exactly three factors.

Answer

The numbers between $1$ and $100$ having exactly three factors are $4, 9, 25,$ and $49.$
The factors of $4$ are $1, 2$ and $4.$
The factors of $9$ are $1, 3$ and $9.$
The factors of $25$ are $1, 5$ and $25.$
The factors of $49$ are $1, 7$ and $49.$

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free