Test cases failing

#1

I cannot understand why some of the test cases are failing.Can anyone plz help?

#2

hi @meadri17 the range of elements is really big so you will have to use segmented prime sieve for this question

#3

i have segmented seive but still some test cases are failing

#4

@meadri17 share your code using CB IDE

#5
#6

plzz help me find out the errors in my code

#7

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