A positive integer is squarefree if it is not divisible by any perfect square greater than one.
binomial coefficient | biquadratefree | carefree couple | composite number | cubefree | Erdős squarefree conjecture | Feller-Tornier constant | Fibonacci number | Korselt's criterion | Möbius function | prime number | Riemann zeta function | Sárkőzy's theorem | squarefree factorization | squarefree part | squareful | square number | Sylvester's sequence
college level
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