Which of the following statement s is are true I 2 is a prime number II 4 is a composite number ........

Quantitative Aptitude ( CCS) Number System

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Which of the following statement (s) is/are true?

I. 2 is a prime number

II. 4 is a composite number.

Only I

Only II

Both I and II

Neither I nor II

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Explanation:

1) 2 is a prime number:
Prime number: A natural number larger than unity is a prime number if it does not have other divisors except for itself and unity.
⇒ Factors of 2 = 2 and 1 only.
As it satisfy prime number properties so 2 is a prime number.
2) 4 is a composite number.
Composite number: It is a natural number that has at least one divisor different from unity.
⇒ Factors of 4 = 4, 2 and 1.
So, 4 is a composite number.
∴ Both statements are true.