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