The remainder when is divided by 21 is __________. ...

aligned & 428=21 20+8 \\ & (428)^2024 (20 21+8)^2024 8^2024( 21) \\ & 8^2=21 3+1 \\ & 8^2024=(21 3+1)^1012 \\ & 8^2024 (21 3+1)^1012( 21) \\ & 1^2012( 21) \\ & 428^2024 1( 21) aligned ...

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The remainder when 4282024 is divided by 21 is : null (Mathematics) | DivineJEE

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Mathematics

The remainder when $428^{2024}$ is divided by 21 is __________.

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