Math

Inverse Modulo Calculator

Find x where a·x ≡ 1 (mod m).

Calculated Output

a⁻¹ mod m 5

Step-by-Step Breakdown

1. Values used:

2. a = 3

3. m = 7

4. a⁻¹ mod m = 5

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Modular multiplicative inverse.

Frequently Asked Questions

When?

Only exists if a and m are coprime.

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