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The Work of A. K. Raina
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What is the name of the theorem that A. K. Raina proved in 1972?
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A
Raina's Theorem
💡 Explanation:
Raina's Theorem states that if $a$ and $b$ are positive integers such that $a^2 + b^2$ is a prime number, then $a$ and $b$ are relatively prime.