#include<cstdio>
#include<set>
#include<vector>
#include<cstring>
#include<algorithm>
#include<queue>
using namespace std;
typedef long long ll;
const int maxn = 1e5+10;
const int inf = 0x3f3f3f3f;
int gcd(int x,int y){
	if(y==0)return x;
	return gcd(y,x%y);
}
int main(){
	int n,q;
	while(~scanf("%d%d",&n,&q)){
		int a,b;
		while(q--){
			scanf("%d%d",&a,&b);
			if(gcd(a,b)==1)
				printf("1\n");
			else
				printf("2\n");
		}
	}
}