Find the unit digit of the product of all the elements of the set whic – InterviewSolution

InterviewSolution

1.	Find the unit digit of the product of all the elements of the set which consists all the prime numbers greater than 2 but less than 222.
Answer» Solution :The set of required prime NUMBERS ={3,5,7,11,...} Since there is no any even NUMBER in the set so when 5 is multiplied with any odd number, it always gives 5 as the last digit HENCE the UNIT digit will be 5.

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