/**
 * Compute the greatest common divisor using Euclid's algorithm.
 *
 * @param {number} num1 - First number.
 * @param {number} num2 - Second number.
 * @returns {number}
 */
export declare function greatestCommonDivisor(num1: number, num2: number): number;
/**
 * Calculate least common multiple using gcd.
 *
 * @param {number} num1 - First number.
 * @param {number} num2 - Second number.
 * @returns {number}
 */
export declare function leastCommonMultiple(num1: number, num2: number): number;