Write all prime numbers between 50 and 100.

Sum

53, 59, 61, 67, 71, 73, 79, 83, 89, 97 are the prime numbers between 50 and 100.

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Chapter 2: Factors and Multiples - Test Paper 2 [Page 43]

Chapter 2 Factors and Multiples
Test Paper 2 | Q 8 | Page 43

Express the following number as the sum of two odd prime:
36

State the following statement is True or False.
If a number is prime, it must be odd.

State the following statement is True or False.
The sum of two prime numbers is always a prime number.

Show that the following pairs are co-primes:
343, 432

Show that the following pairs are co-primes:
385, 621

Find the HCF of
Two co-primes

Which of the following is a composite number?

Write 'T' for true and 'F' for false for the following statement.

Every even number is composite.

Express the following number as the sum of three odd primes:

All prime numbers are odd.