515 = 5 x 103 = 103 x 5 as 103 is a prime number
1 x 515, 5 x 103, 103 x 5, 515 x 1
25 x something = 2575 something = 2575/25 something = 103 your answer is 103
1 x 27, 3 x 9 = 27
2 x 27 = 54
1 x 27, 3 x 9, 9 x 3, 27 x 1 = 27
3x = 27 when x = 9
There are 0.3048 metres in one foot. Therefore, 103 feet is equal to 103 x 0.3048 = 31.3944 metres.
1 x 927, 3 x 309, 9 x 103.
3 x 3 x 3 = 27
1 x 243, 3 x 81, 9 x 27, 27 x 9, 81 x 3, 243 x 1
1,030 = 1 x 1030, 2 x 515, 5 x 206, 10 x 103.