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The smallest positive prime (say p) such...

The smallest positive prime (say p) such that `2^(P)-1` is not a prime is

A

5

B

11

C

17

D

29

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The correct Answer is:
B
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ARIHANT SSC-NUMBER SYSTEM-HIGHER SKILL LEVEL QUESTIONS
  1. Which one of the following numbers is divisible by 11?

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  2. When 17^(2010) is divided by 18, Find the remainder.

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  3. What is the remainder when 4^(1000), is divisible by 7?

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  4. A common factor of (41^(43)+43^(43)) and (41^(41)+43^(41)) is ……

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  5. The remainder when 9+6 is divided by 8 is

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  6. What will be the remainder when 19^(100) is divided by 20?

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  7. It is given that (2^(32)+1) is exactly divisible by a certain number. ...

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  8. If n is a natural number the 9^ 2n −4^ 2n is always divisible by :

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  9. 19^(5)+21^(5) is divisible by

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  10. If a is a natural number, then the largest number dividing (a^(3)-a) i...

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  11. 7^12-4^12 is exactly divisible by which of the following number?

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  12. If N,(N+2) and (N+4) are prime numbers, then the number of possible so...

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  13. The smallest positive prime (say p) such that 2^(P)-1 is not a prime i...

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  14. If b is the largest square divisor of c and a then which one of the fo...

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  15. (? – 968) ÷ 79 × 4 = 512

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  16. What is the sum of all positive integers lying between 200 and 400 th...

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  17. Consider the following statements. I. To obtain prime number less th...

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  18. Consider the following statements. I. 771021240 is divisible by 11. ...

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  19. – 948 + 147 – ? = – 1432

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  20. Every prime number of the form 3k+1 can be represented in th form 6m+1...

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