Let be a nonzero rational number , where , ..., are distinct primes, and . Then
(1)
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(2)
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Let be a nonzero rational number , where , ..., are distinct primes, and . Then
(1)
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(2)
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Weisstein, Eric W. "Product Formula." From MathWorld--A Wolfram Web Resource. https://mathworld.wolfram.com/ProductFormula.html