Q 1: 2, 3, 5, 7, and 11 are examples of _________. None of these Prime Numbers Twin Primes Composites

Q 2: A prime number has ________ factors. exactly two exactly three many zero

Q 3: The natural numbers which have only one and themselves as factors are called __________. Composites Twin Primes None of these Prime Numbers

Q 4: Which are the first ten prime numbers? 2,3,5,7,11,13,17,19,23,29 2,4,6,7,9,12,16,19,21,23 2,3,4,5,6,7,8,26,27,29 2,3,4,5,6,7,8,9,10,25

Q 5: Which are the first ten composite numbers? 2,4,6,8,10,12,14,16,18,20. 4,6,8,9,10,12,14,15,16,18. 1,3,5,7,9,11,13,15,17,19. None of these

Q 6: 5, 7; 11, 13; and 17, 19 are examples of ___________? Nonprimes Twin Primes Composite Double Primes

Q 7: _______ is neither prime nor composite? 2 None of these 1 0

Q 8: Two prime numbers whose difference is 2 are called _______. Twin Composites Twin Primes Double Numbers Twin Natural Numbers

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