1) _______ is the smallest factor of all the numbers. a) 0 b) 1 c) 2 d) the number it self 2) First 5 multiples of 13 are a) 13,26,34,55,62 b) 13,24,36,52,60 c) 13,26,39,52,65 d) 13,25,39,56,69 3) First two common multiples of 9 and 12 are a) 63,45 b) 36,52 c) 36,72 d) 84,57 4) __________ is only even number which is prime. a) 0 b) 1 c) 2 d) 4 5) Any two prime numbers whose difference is 2 are called a) prime b) twin prime c) composite d) even 6) Numbers which are divisible by 9 are also divisible by a) 9 b) 0 c) 4 d) 3 7) All numbers divisible by 2 are a) odd b) prime c) twin prime d) even 8) A numbers is divisible by 10, if it has __________ at its ones place. a) 0 b) 1 c) 2 d) 3 9) Check if 7314 is divisible by 4. a) yes b) no c) can't say 10) ________ is neither a prime nor a composite number. a) 0 b) 2 c) 1 d) 3

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