ℤ Squarefree integer An integer 𝑛 ∈ℤ is said to be squarefree if it not divisible by any square number other than 1, #m/def/num i.e. (∀𝑘∈ℕ)[𝑘2∣𝑛⟹𝑘=1] #state/develop | #lang/en | #SemBr