1) A number which is a multiple of 2 is called a) even number b) composite number c) prime number 2) A number which has more than two factors is called a) odd number b) prime number c) composite number 3) Smallest prime number is  a) 8 b) 2 c) 10 4) Smallest odd prime number is a) 4 b) 1 c) 3 5) LCM of 10 and 15 is a) 30 b) 25 c) 12 6) HCF of 10 and 15 is a) 3 b) 9 c) 5 7) Smallest even prime number is  a) 6 b) 1 c) 2 8) Smallest odd composite number is a) 9 b) 18 c) 11 9) A number which has only two distinct factors and it self is called a) even number b) prime number c) odd number 10) 5th number of 9 is a) 63 b) 29 c) 45

factors & multiples.

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