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- #include<stdio.h>
- int main() {
- int a[1000],i,size,max,flag=0;
- scanf("%d",&size);
- for (i=0; i<size; i++)
- scanf("%d",&a[i]);
- max= a[0];
- for (i=0; i<size; i++) {
- if (a[i]>max) {
- max=a[i];
- }
- }
- printf("Maximum number: %d\n",max);
- for(i=2;i<=max/2;i++)
- {
- if(max%i==0)
- {
- flag=1;
- break;
- }
- }
- if (flag==0)
- printf("%d is a prime number.",max);
- else
- printf("%d is a composite number.",max);
- }
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