Smallest number is 12
51: The number is a multiple of 3 and 17 at the same time 52: The number is a multiple of 4 and 13 at the same time 53: The sum of 16 times the last digit and the rest of the number is a multiple of 53 54: The number is a multiple of 2 and 27 at the same time 55: The number is a multiple of 5 and 11 at the same time 56: The number is a multiple of 7 and 8 at the same time 57: The number is a multiple of 3 and 19 at the same time 58: The number is a multiple of 2 and 29 at the same time 59: The sum of 6 times the last digit and the rest of the number is a multiple of 59 60: The number is a multiple of 3 and 20 at the same time 61: The difference between 6 times the last digit and the rest of the number is a multiple of 61 62: The number is a multiple of 2 and 31 at the same time 63: The number is a multiple of 7 and 9 at the same time 64: The last 6 digits are a multiple of 64 The 100,000s digit is even and the last 5 digits are a multiple of 64 The 100,000s digit is odd and the last 5 digits are 32 times an odd number 65: The number is a multiple of 5 and 13 at the same time 66: The number is a multiple of 2, 3 and 11 at the same time 67: The difference between 20 times the last digit and the rest of the number is a multiple of 67 68: The number is a multiple of 4 and 17 at the same time 69: The number is a multiple of 3 and 23 at the same time 70: The number is a multiple of 7 and 10 at the same time 71: The difference between 7 times the last digit and the rest of the number is a multiple of 71 72: The number is a multiple of 8 and 9 at the same time 73: The sum of 22 times the last digit and the rest of the number is a multiple of 73 74: The number is a multiple of 2 and 37 at the same time 75: The number is a multiple of 3 and 25 at the same time 76: The number is a multiple of 4 and 19 at the same time 77: The number is a multiple of 7 and 11 at the same time 78: The number is a multiple of 2, 3 and 13 at the same time 79: The sum of 8 times the last digit and the rest of the number is a multiple of 79 80: The last 4 digits are a multiple of 80 The 1,000s digit is even and the last 3 digits are a multiple of 80 The 1,000s digit is odd and the last 3 digits are 40 times an odd number 81: The difference between 8 times the last digit and the rest of the number is a multiple of 81 82: The number is a multiple of 2 and 41 at the same time 83: The sum of 25 times the last digit and the rest of the number is a multiple of 83 84: The number is a multiple of 3, 4 and 7 at the same time 85: The number is a multiple of 5 and 17 at the same time 86: The number is a multiple of 2 and 43 at the same time 87: The number is a multiple of 3 and 29 at the same time 88: The number is a multiple of 8 and 11 at the same time 89: The sum of 9 times the last digit and the rest of the number is a multiple of 89 90: The number is a multiple of 9 and 10 at the same time 91: The number is a multiple of 7 and 13 at the same time 92: The number is a multiple of 4 and 23 at the same time 93: The number is a multiple of 3 and 31 at the same time 94: The number is a multiple of 2 and 47 at the same time 95: The number is a multiple of 5 and 19 at the same time 96: The number is a multiple of 3 and 32 at the same time 97: The difference between 29 times the last digit and the rest of the number is a multiple of 97 98: The number is a multiple of 2 and 49 at the same time 99: The number is a multiple of 9 and 11 at the same time 100: The number ends in 00
101: The difference between 10 times the last digit and the rest of the number is a multiple of 101 102: The number is a multiple of 2, 3 and 17 at the same time 103: The sum of 31 times the last digit and the rest of the number is a multiple of 103 104: The number is a multiple of 8 and 13 at the same time 105: The number is a multiple of 3, 5 and 7 at the same time 106: The number is a multiple of 2 and 53 at the same time 107: The difference between 32 times the last digit and the rest of the number is a multiple of 107 108: The number is a multiple of 4 and 27 at the same time 109: The sum of 11 times the last digit and the rest of the number is a multiple of 109 110: The number is a multiple of 10 and 11 at the same time 111: The number is a multiple of 3 and 37 at the same time 112: The number is a multiple of 7 and 16 at the same time 113: The sum of 34 times the last digit and the rest of the number is a multiple of 113 114: The number is a multiple of 2, 3 and 19 at the same time 115: The number is a multiple of 5 and 23 at the same time 116: The number is a multiple of 4 and 29 at the same time 117: The number is a multiple of 9 and 13 at the same time 118: The number is a multiple of 2 and 59 at the same time 119: The number is a multiple of 7 and 17 at the same time 120: The number is a multiple of 3 and 40 at the same time 121: The difference between 12 times the last digit and the rest of the number is a multiple of 121 122: The number is a multiple of 2 and 61 at the same time 123: The number is a multiple of 3 and 41 at the same time 124: The number is a multiple of 4 and 31 at the same time 125: The number ends in 000, 125, 250, 375, 500, 625, 750 or 875 126: The number is a multiple of 2, 7 and 9 at the same time 127: The difference between 38 times the last digit and the rest of the number is a multiple of 127 128: The last 7 digits are a multiple of 128 The 1,000,000s digit is even and the last 6 digits are a multiple of 128 The 1,000,000s digit is odd and the last 6 digits are 64 times an odd number 129: The number is a multiple of 3 and 43 at the same time 130: The number is a multiple of 10 and 13 at the same time 131: The difference between 13 times the last digit and the rest of the number is a multiple of 131 132: The number is a multiple of 3, 4 and 11 at the same time 133: The number is a multiple of 7 and 19 at the same time 134: The number is a multiple of 2 and 67 at the same time 135: The number is a multiple of 5 and 27 at the same time 136: The number is a multiple of 8 and 17 at the same time 137: The difference between 41 times the last digit and the rest of the number is a multiple of 137 138: The number is a multiple of 2, 3 and 23 at the same time 139: The sum of 14 times the last digit and the rest of the number is a multiple of 139 140: The number is a multiple of 7 and 20 at the same time 141: The number is a multiple of 3 and 47 at the same time 142: The number is a multiple of 2 and 71 at the same time 143: The number is a multiple of 11 and 13 at the same time 144: The number is a multiple of 9 and 16 at the same time 145: The number is a multiple of 5 and 29 at the same time 146: The number is a multiple of 2 and 73 at the same time 147: The number is a multiple of 3 and 49 at the same time 148: The number is a multiple of 4 and 37 at the same time 149: The sum of 15 times the last digit and the rest of the number is a multiple of 149 150: The number is a multiple of 3 and 50 at the same time
The number is a multiple of 2 and 3 at the same time
The number is a multiple of 3 and 4 at the same time
The number is a multiple of 3 and 7 at the same time
The number is a multiple of 3 and 8 at the same time
The number is a multiple of 3 and 10 at the same time
The number is a multiple of 3 and 13 at the same time
The number is a multiple of 3 and 19 at the same time
The number is a multiple of 3 and 23 at the same time
The number is a multiple of 3 and 29 at the same time
The number is a multiple of 3 and 31 at the same time