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Prime and composite numbers

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  • Question 1:
    1 pts
    		The number 1 is neither prime nor composite.
  • Question 2:
    1 pts
    		33 is the smallest prime number.
  • Question 3:
    1 pts
    Number 8787 is a
    number.
  • Question 4:
    1 pts
    		List all prime divisors of number 26.26.

    1,2,131,2,13

    2,132,13

    1,2,13,261,2,13,26

    2,13,262,13,26

  • Question 5:
    2 pts
    		How many even prime numbers are there?
    00
    11
    22
    33
  • Question 6:
    2 pts
    		Which expression represents the difference between the largest three-digit prime number and the smallest two-digit prime number.

    997−10997-10

    999−11999-11

    997−11997-11

    999−10999-10

  • Question 7:
    2 pts
    		List all prime numbers pp such that it is p<20.p<20.
    2,3,5,7,11,12,13,17,192,3,5,7,11,12,13,17,19
    2,3,5,7,9,11,13,17,192,3,5,7,9,11,13,17,19
    1,2,3,5,7,11,13,17,191, 2,3,5,7,11,13,17,19
    2,3,5,7,11,13,17,192,3,5,7,11,13,17,19
  • Question 8:
    2 pts
    		List all prime numbers pp such that it is 80≤p≤90.80 \leq p \leq 90.

    82,8382,83

    83,8983,89

    89,9089,90

    81,8981,89

  • Question 9:
    3 pts
    		Find the smallest prime divisor of the number 133.133.
    11
    22
    77
    1919
  • Question 10:
    3 pts
    		Which are two more numbers in the given order 4,9,25..?4,9,25..?

    49,12149,121

    49,8149,81

    81,12181,121

    49,6449,64

  • Question 11:
    3 pts
    		The square of the prime number pp has exactly 33 divisors: 1,p,p2.1,p,p^{2}.
  • Question 12:
    3 pts
    		Which number can be rest of the division of prime numbers p>3p>3 with number 6.6.

    1,31,3

    1,51,5

    5,35,3

    0,30,3

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