Use nested for loops to find factors of numbers between 2 and 100 : for loop « Operators statements « C++ Tutorial






  1. C++ Tutorial
  2. Operators statements
  3. for loop
#include <iostream> 
using namespace std; 
 
int main() { 
 
  for(int i=2; i <= 100; i++) { 
    cout << "Factors of " << i << ": "; 
 
    for(int j = 2; j < i; j++) 
      if((ij) == 0) cout << j << " "; 
 
    cout << "\n"; 
  } 
 
  return 0; 
}

Factors of 2:
Factors of 3:
Factors of 4: 2
Factors of 5:
Factors of 6: 2 3
Factors of 7:
Factors of 8: 2 4
Factors of 9: 3
Factors of 10: 2 5
Factors of 11:
Factors of 12: 2 3 4 6
Factors of 13:
Factors of 14: 2 7
Factors of 15: 3 5
Factors of 16: 2 4 8
Factors of 17:
Factors of 18: 2 3 6 9
Factors of 19:
Factors of 20: 2 4 5 10
Factors of 21: 3 7
Factors of 22: 2 11
Factors of 23:
Factors of 24: 2 3 4 6 8 12
Factors of 25: 5
Factors of 26: 2 13
Factors of 27: 3 9
Factors of 28: 2 4 7 14
Factors of 29:
Factors of 30: 2 3 5 6 10 15
Factors of 31:
Factors of 32: 2 4 8 16
Factors of 33: 3 11
Factors of 34: 2 17
Factors of 35: 5 7
Factors of 36: 2 3 4 6 9 12 18
Factors of 37:
Factors of 38: 2 19
Factors of 39: 3 13
Factors of 40: 2 4 5 8 10 20
Factors of 41:
Factors of 42: 2 3 6 7 14 21
Factors of 43:
Factors of 44: 2 4 11 22
Factors of 45: 3 5 9 15
Factors of 46: 2 23
Factors of 47:
Factors of 48: 2 3 4 6 8 12 16 24
Factors of 49: 7
Factors of 50: 2 5 10 25
Factors of 51: 3 17
Factors of 52: 2 4 13 26
Factors of 53:
Factors of 54: 2 3 6 9 18 27
Factors of 55: 5 11
Factors of 56: 2 4 7 8 14 28
Factors of 57: 3 19
Factors of 58: 2 29
Factors of 59:
Factors of 60: 2 3 4 5 6 10 12 15 20 30
Factors of 61:
Factors of 62: 2 31
Factors of 63: 3 7 9 21
Factors of 64: 2 4 8 16 32
Factors of 65: 5 13
Factors of 66: 2 3 6 11 22 33
Factors of 67:
Factors of 68: 2 4 17 34
Factors of 69: 3 23
Factors of 70: 2 5 7 10 14 35
Factors of 71:
Factors of 72: 2 3 4 6 8 9 12 18 24 36
Factors of 73:
Factors of 74: 2 37
Factors of 75: 3 5 15 25
Factors of 76: 2 4 19 38
Factors of 77: 7 11
Factors of 78: 2 3 6 13 26 39
Factors of 79:
Factors of 80: 2 4 5 8 10 16 20 40
Factors of 81: 3 9 27
Factors of 82: 2 41
Factors of 83:
Factors of 84: 2 3 4 6 7 12 14 21 28 42
Factors of 85: 5 17
Factors of 86: 2 43
Factors of 87: 3 29
Factors of 88: 2 4 8 11 22 44
Factors of 89:
Factors of 90: 2 3 5 6 9 10 15 18 30 45
Factors of 91: 7 13
Factors of 92: 2 4 23 46
Factors of 93: 3 31
Factors of 94: 2 47
Factors of 95: 5 19
Factors of 96: 2 3 4 6 8 12 16 24 32 48
Factors of 97:
Factors of 98: 2 7 14 49
Factors of 99: 3 9 11 33
Factors of 100: 2 4 5 10 20 25 50




3.15.for loop
3.15.1.Simplest for loop statement
3.15.2.A conversion table of feet to meters
3.15.3.Use multiple statements in for loops
3.15.4.Display the alphabet: use char to control for loop
3.15.5.A negatively running for loop
3.15.6.Loop until a random number that is greater than 20,000.
3.15.7.A for loop with no increment
3.15.8.The body of a for loop can be empty
3.15.9.Declare loop control variable inside the for
3.15.10.Use nested for loops to find factors of numbers between 2 and 100
3.15.11.For loops with null statements
3.15.12.empty for loop statement
3.15.13.Compound interest calculations with for
3.15.14.Floating point control in a for loop
3.15.15.Generating multiplication tables