What is a modulus?

Answer 1

modulus is the remainder obtained after division

for eg: 7%2 = 1 -> 7/2=3 rem =1
6%2 = 0 -> 6/2=3 rem =0

Answer 2

it is the remaining after division
for example:
7/2= 3 and modulus=1
4/2=2 and modulus=0

feel free to ask if any ☺

Answer 3

simply it means remainder. it means after the division we need the remaining amount.