判断给定void findMusicalPattern函数调用findMusicalPattern(4,6)返回2的说法是否正确（gcd已正确实现）

void findMusicalPattern(int rhythm1, int rhythm2) {
    int commonDivisor = gcd(rhythm1, rhythm2);
    int patternLength = (rhythm1 * rhythm2) / commonDivisor;
    return patternLength；
}