Modular Arithmetic Calculator
Perform modular arithmetic operations. Calculate modular inverse, exponentiation, and solve congruences.
Results (mod 7)
1
(17 + 5) mod 7
5
(17 - 5) mod 7
1
(17 × 5) mod 7

Properties

a ≡ b (mod n) ⟺ n | (a-b)
a^(-1) exists ⟺ gcd(a,n) = 1

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