素因数のひとつを表示 | Codetter（こーどったー）

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#include <stdio.h>
main(){
    
    int i, n;
    
    for(n=2 ; n<=100 ; n++){
        for (i=2; i<=n; i++) {
            if (n%i == 0) break;
        }
        if (n%i == 0 && n==i) {printf("%3dは素数です\n",n);}
        else {printf("%3dは合成数です。素因数のひとつは %3d。\n",n,i);}
    }
}
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