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.
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.
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