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int main() { int curcase, numcase, curnumber, number, i; scanf("%d", &numcase); for(curcase = 1; curcase <= numcase; curcase++){ scanf("%d", &number); printf("case %d: %d\n", curcase, number); for(i=2; i <= number; i++) { if(number % i == 0) { printf("(%d,%d)", i, (number/i)); printf("\n"); } if(i == number) printf("This number is a prime!\n"); else if(i > ((number/i)-2)) break; } } return 0; }
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