Chances of not getting odd or prime number from 1 to 50= Chances of getting an even composite number from 1 to 50= Number of even composite numbers from 1 to 50/Total numbers from 1 to 50 = 24/50 or 48%Chances of not getting odd or prime number from 1 to 50= Chances of getting an even composite number from 1 to 50= Number of even composite numbers from 1 to 50/Total numbers from 1 to 50 = 24/50 or 48%Chances of not getting odd or prime number from 1 to 50= Chances of getting an even composite number from 1 to 50= Number of even composite numbers from 1 to 50/Total numbers from 1 to 50 = 24/50 or 48%Chances of not getting odd or prime number from 1 to 50= Chances of getting an even composite number from 1 to 50= Number of even composite numbers from 1 to 50/Total numbers from 1 to 50 = 24/50 or 48%
The sum of the composite numbers between 1 and 50 is 936.
107 is a prime number. A prime number has only 2 factors which are 1 and itself. Composite numbers are everything else except 1 and 0. 1 and 0 are neither prime, nor composite.
67 is a prime number. A prime number has only 2 factors which are 1 and itself. Composite numbers are every other positive integer except 1 and 0. 1 and 0 are neither prime, nor composite.
50 is a composite number. A prime number has only 2 factors which are 1 and itself. Composite numbers are everything else except 1 and 0. 1 and 0 are neither prime, nor composite.
#include<stdio.h> #include<math.h> bool is_prime (unsigned num) { if (num<2) // 0 and 1 are composite return false; if (!(num%2)) // 2 is the only even prime return num==2; const unsigned max_div = sqrt (num) + 1; for (unsigned div=3; div<max_div; div+=2) { if (!(num%div)) // the number is composite return false; } // if we get this far, the number is prime return true; } int main (void) { unsigned num; printf ("Enter a positive integer: "); scanf ("%u", &num); printf ("\n%u is %s\n", num, is_prime (num) ? "prime" : "composite"); return 0; }
/*Determine prime numbers between 1 to 50*/ #include<stdio.h> #include<conio.h> main() { int num, i ,n; clrscr(); printf ( "\nEnter a number limit" ) ; scanf ( "%d", &n ) ; for ( num=2; num <= 50; num++ ) { for ( i=2; i <= num - 1; i++ ) { if ( num % i == 0 ) { Break; continue; } } if (num==i) printf(\n The prime number=%d", num); continue; } getch() }
The largest composite number between 1 and 50 is 50.
Chances of not getting odd or prime number from 1 to 50= Chances of getting an even composite number from 1 to 50= Number of even composite numbers from 1 to 50/Total numbers from 1 to 50 = 24/50 or 48%Chances of not getting odd or prime number from 1 to 50= Chances of getting an even composite number from 1 to 50= Number of even composite numbers from 1 to 50/Total numbers from 1 to 50 = 24/50 or 48%Chances of not getting odd or prime number from 1 to 50= Chances of getting an even composite number from 1 to 50= Number of even composite numbers from 1 to 50/Total numbers from 1 to 50 = 24/50 or 48%Chances of not getting odd or prime number from 1 to 50= Chances of getting an even composite number from 1 to 50= Number of even composite numbers from 1 to 50/Total numbers from 1 to 50 = 24/50 or 48%
The sum of the composite numbers between 1 and 50 is 936.
#include<iostream> bool is_composite (const size_t); bool is_prime (const size_t); int main() { for (size_t num=1; num<=10; ++num) if (is_composite (num)) std::cout << num << " is composite\n"; } bool is_composite (const size_t num) { if (num < 4U) return false; return !is_prime (num); } bool is_prime (const size_t num) { const size_t two = 2U; if (num < two) return false; if (!(num % two)) return num == two; const size_t max = static_cast<size_t>(sqrt (static_cast<double>(num))); for (size_t div = 3U; div <= max; div += two) if (!(num % div)) return false; return true; }
107 is a prime number. A prime number has only 2 factors which are 1 and itself. Composite numbers are everything else except 1 and 0. 1 and 0 are neither prime, nor composite.
67 is a prime number. A prime number has only 2 factors which are 1 and itself. Composite numbers are every other positive integer except 1 and 0. 1 and 0 are neither prime, nor composite.
50 is a composite number. A prime number has only 2 factors which are 1 and itself. Composite numbers are everything else except 1 and 0. 1 and 0 are neither prime, nor composite.
31 is a prime number because it is only divisible by 1 and itself.
A composite number has at least one factor as well as 1 and itself. The factors of 50 are 1, 2, 5, 10, 25, and 50, so 50 must be a composite number. In other words, if it is not the number one, and it is positive, and it is not a prime number, it is a composite number.
unsigned count = 0;unsigned num=1; do { std::cout << num << std::endl; num +=2; } while (++count<50);