Question

How many twin prime and co prime no.s are there between 1 to 100

Answer 1

Dear Student,
Two prime number are known as twin primes of there is only one composite number between them.
So,
Twin prime numbers in between 1 and 100 :
( 3 , 5 ) , ( 5 , 7 ) , ( 11 , 13 ) , ( 17 , 19 ) , ( 29 , 31 ) , ( 41 , 43 ) , ( 59 , 61 ) , ( 71 , 73 )
All 25 prime numbers between 1 to 100 are said to be co prime to each other.
Thanks&Regards