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Get factor of number using C programming language, check if a number is prime or composite.
cpp code
`void factor(int number, int n, int j) {// Define integerint   i;// 1 is not a prime number if (n == 1) {   printf("1 is a unit\n");   return;} i = j;while (i <= (int)(sqrt((double)n))) {   if (n % i == 0) {       // print a prime number i and continue search       fprintf(stdout, "%d\n", i);      factor(number, (int)(n / i), i);      return;      }   else {      i++;   }}// If you got this part means that n is prime number.if (n == number)   printf("%d is prime\n", number);else   printf("%d\n", n);return;}`

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M. S. Rakha, Ph.D.
Queen's University

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