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
- 63,153,600
- 63,112,000
- 63,072,000
- None of these
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- Skewness
- Kurtosis
- Variance
- None of these
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- Rational
- Irrational
- Complex
- None of these
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- 1581
- 1582
- 1585
- None of these
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