Question

list below
17. 15, 4, 3, 1, 2, 12, 23, 27, 35, 41, 43, 58, 51, 72, 79,91,91
Co-prime numbers : Two numbers which have only 1 as a common factor
to be co-prime or relatively prime or mutually prime numbers,
For example, 10 and 21 are co-primes, because the divisors of 10 are 1, 2
while the divisions of 21 are 1, 3, 7, 21 and the only factor common to be
and 21 is 1
Some other co-prime numbers are (3,8): (4,9); (21, 22) : (22, 23) ; (23
Verity that any two consecutive natural numbers are co-primes.
Let's learn.
Twin Prime Numbers
If the difference between two co-prime numbers is 2, the numbers are sa
prime numbers.
For example : (3,5); (5, 7): (11, 13); (29, 31) etc.
Practice Set 10
1. Which number is neither a prime number nor a composite number?
riman​

Answer 1

Answer:

1 is the number which is neither prime nor composite