Teaching REET Mock Test Series 2024-25 Level 1 & 2 (Hindi-Sanskrit-English) Quantitative Aptitude Number System Prime Numbers
Which of the following statements is NOT correct?
1. There are only four single-digit prime numbers.
2. There are infinitely many prime numbers.
3. A prime number has only two factors.
4. All prime numbers are odd.
1
4
2
1
3
2
4
3
5
Question Not Attempted