1.Which of the following numbers is prime?

133

143

153

163

2. Determine the prime factorization of 99.

34

34• 2 • 5

34• 11

32• 11

3.Determine the prime factorization of 364.

22 • 33

22 • 32 • 11

22 • 7 • 13

22• 7 • 17

4. Find the greatest common factor of the pair of numbers.

98 and 330

99

66

30

11

5.Find the greatest common factor of the pair of numbers.

333 and 441

3

6

9

27

3^2.11

2^2 • 7 • 13

98, 330

none of the above, it should be 2

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