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
- 35 and 10
- 25 and 20
- 30 and 15
- None of these
اس سوال کو وضاحت کے ساتھ پڑھیں
- 39
- 38
- 37
- None of these
اس سوال کو وضاحت کے ساتھ پڑھیں
- 35
- 29
- 33
- 27
اس سوال کو وضاحت کے ساتھ پڑھیں
