quadratfrei | square-free

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