First 2 digit prime and composite number is 11 and 10
First find the largest and smallest 3 digit number and then take their difference
Numbers with three or more factors are known as " Composite Numbers"
Composite numbers are those which has more than two factors.
1 is neither Prime nor Composite.
Number which has exactly two factors are known as " Prime numbers"
Prime numbers are numbers that has only 2 factors.
Check if any of the pairs have any number in common
First 3-digit composite number-100
First 2-digit composite number-10
HCF of any two prime numbers is always 1.
1 is neither composit nor prime number.
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