Find the remainder when 91×44 + 91 − 44 is divided by 19.
Note
Compute each term modulo 19; the expression is congruent to 4 modulo 19.
Find the remainder when 91×44 + 91 − 44 is divided by 19.
Compute each term modulo 19; the expression is congruent to 4 modulo 19.