Question

why inteager n should be>1 in the congruence modulo [a=b(modn)]​

Answer 1

Answer:

$\tt\pink{Answer}$

Step-by-step explanation:

Congruence modulo n is a congruence relation, meaning that it is an equivalence relation that is compatible with the operations of addition, subtraction, and multiplication. Congruence modulo n is denoted: The parentheses mean that (mod n) applies to the entire equation, not just to the right-hand side (here b).