Question

# The number $$23$$ is:A. a prime number            B. a real number C. an irrational number     D. a rational number

A
A,B,D are correct
B
A,B,C are correct
C
B,C,D are correct
D
A,C,D are correct

Solution

## The correct option is A $$A, B, D$$ are correctThe number $$23$$ is a prime number as it has only factors $$1$$ and itself. It is a rational number as it can expressed as a ratio $$\displaystyle \frac {23}{1}$$. $$23$$ is also a real number as it can represented on a number line.Hence $$A, B$$ and $$D$$ are correct.Mathematics

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