squarefree number

squarefree number

[¦skwer‚frē ′nəm·bər]
(mathematics)
A positive integer which is not a multiple of the square of any integer other than 1.
References in periodicals archive ?
By genus theory, h(-d) is odd for a positive squarefree number d > 2 if and only if d is a prime with d [equivalent to] 3 mod 4.
Kratzel, Squarefree numbers as sums of two squares, Arch.