1. List all the prime numbers between 19 and 39.
2. Write all the composite numbers between 11 and 31.
3. Which of the following sets of numbers are co-prime numbers?
a 5 and 39
b. 187 and 188
C. 57 and 48
4. A number’N’ is not a prime number and is a factor of 16 and 20. What is the number ‘N?
Answer:
sorry! I can’t now
Iam too busy right now