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The least non-negative remainder when 320263^{2026} is divided by 13 is:

Solution

✅ Correct Option: 4

33=27≡1(mod13)3^3=27\equiv1\pmod{13}, so the powers of 33 repeat with period 33.

2026=3×675+12026=3\times675+1, so 32026≡31(mod13)3^{2026}\equiv3^{1}\pmod{13}.

Hence the remainder is 33.

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