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#include <bits/stdc++.h>
using namespace std;
typedef long long LL;
//TLE 5个点50分
//最大公约数
LL gcd(LL x, LL y) {
return y ? gcd(y, x % y) : x;
}
//最小公倍数
LL lcm(LL x, LL y) {
return y / gcd(x, y) * x; //注意顺序防止乘法爆int
}
int main() {
//输入
int n;
cin >> n;
//最大2000次噢
while (n--) {
//读入四个数字
LL a0, a1, b0, b1;
cin >> a0 >> a1 >> b0 >> b1;
//每次记数器清0
int cnt = 0;
//枚举a1的所有倍数
for (LL x = a1; x <= b1; x += a1)
if (gcd(x, a0) == a1 && lcm(x, b0) == b1) cnt++;
cout << cnt << endl;
}
return 0;
}