Both the statements given are correct. As 121 is the square of 11. So, to obtain prime numbers less than 121, we reject all the multiples of prime numbers less than 11 i.e., 2, 3, 5 and 7. Similarly, every composite number less than 121 is divisible by a prime number less than 11 i.e, 2, 3, 5 or 7.