Question

write a set using listing method
b) set of prime numbers from 1 to 20​

Answer 1

Answer:

P={2,3,5,7, 11,13,17, 19}

Step-by-step explanation:

Prime numbers are the numbers which are divisible by the number 1 and itself

Let the set of prime numbers be P

Therefore,

P={2,3,5,7, 11,13,17, 19}

Answer 2

Answer:

the prime no. between 1 to 20

Step-by-step explanation:

1 ,3 ,5, 7, 11 ,13 ,17 ,19