{"id":"isqrt-over-sqrt-for-exactness","text":"`isThreeDivisors` uses `math.isqrt` instead of `int(math.sqrt(n))` to avoid floating-point rounding errors in the perfect-square test; `isqrt` returns the exact integer square root.","truth_value":"IN","source":"entries/2026/06/06/three-divisors-solution.md","source_url":"","source_hash":"","justifications":[],"dependents":[],"metadata":{},"created_at":"","updated_at":"","reviewed_at":"","verified_at":"","retracted_at":"","explanation":{"steps":[{"node":"isqrt-over-sqrt-for-exactness","truth_value":"IN","reason":"premise"}]}}