CTET Paper I (Primary: Class 1-5)

Factors and Multiples - HCF LCM Prime Composite Divisibility Rules question bank (Mathematics)

Practice 44 free CTET Paper I (Primary: Class 1-5) Mathematics - Factors and Multiples - HCF LCM Prime Composite Divisibility Rules questions with answers and step-by-step solutions.

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Q1.

Which of the following statements is not correct ?

CTET Paper I - Dec 2019, Q33 (Official PYQ)

(A)

All prime numbers are odd numbers.

(B)

There are infinitely many prime numbers.

(C)

A prime number has only two factors.

(D)

There are only four single digit prime numbers.

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Q2.

Which of the following statements is correct ? (1) 1 is a prime number (2) 1 is a composite number (3) 1 is both, a prime and a composite number (4) 1 is neither prime nor a composite number

CTET Paper I - Jan 2024, Q41 (Official PYQ)

(A)

1 is a prime number

(B)

1 is a composite number

(C)

1 is both, a prime and a composite number

(D)

1 is neither prime nor a composite number

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