While loop and break statement

#1


In this code even without break code runs fine so what is the need of break here

#2

@ikrarrus
No , it doesn’t work properly. Just input any composite number and see for yourself.

Input :
30

Expected Output :
N is not a prime number

Output without the break statement :
N is not a prime numberN is not a prime numberN is not a prime numberN is not a prime numberN is not a prime numberN is not a prime numberN is a prime number

#3

So can you please explain why "N is not prime numberN " get printed five times exactly

#4

@ikrarrus
In case of 30 , 30 has the factors - 1,2,3,5,6,10,30
Since the loop goes from 2 to 29 , 1 and 30 are excluded leaving only 5 factors. The statement “N is not prime number” is printed for all of them and then finally when the loop exits , the statement “N is a prime number” is also printed at the last which is absolutely wrong.

#5

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