2013 · Q2
Consider the following statements:
- 1To obtain prime numbers less than 121, we are to reject all the multiples of 2, 3, 5 and 7. 2. Every composite number less than 121 is divisible by a prime number less than 11.
Which of the above statements is/are correct?
Elementary MathematicsNumber System
- A1 only
- B2 only
- CBoth 1 and 2
- DNeither 1 nor 2
Explanation
Sieve of Eratosthenes; both true. Answer C.