What is wrong with this code to determine if a number is prime o not?

Question

n=int(input("enter positive number"))
if(n>0):
div=2
conta=0
while conta<1 and div<n:
if n%div==0:
conta==conta+1
else :
div==div+1
if conta==0:
print("prime")
else :
print(" not prime")

Answer 1

conta=conta+1
div=div+1

Answer 2

thank you haha