Which one among the following is not a prime number?
- 1
- 3
- 5
- None of these
Explanation
A prime number has exactly two factors: 1 and itself.
The number 1 is not a prime number because it has only one factor (itself).
Related MCQs
- 120
- 125
- 240
- None of these
اس سوال کو وضاحت کے ساتھ پڑھیں
- 3/6
- 4/7
- 5/8
- None of these
اس سوال کو وضاحت کے ساتھ پڑھیں
