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140 is divisible by these numbers: 1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140.
Nope - For any number to be divisible by three, the sum of the digits added together must ALSO be divisible by three. In this case 1+4=5.
140 is divisible by 1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, and 140.140 is divisible by: 1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140.
2390 is not divisible by 3 but is divisible by 5. 2 + 3 + 9 + 0 = 14; 1 + 4 = 5: 5 is not divisible by 3, so 14 is not divisible by 3, so 2390 is not divisible by 3. 2390 ends with a 0, so 2390 is divisible by 5.
A number that is divisible by 15 is divisible both by 5 and 3 A number is divisible by 5 if it ends with 0 or 5 A number is divisible by 3 if the sum of its digits is divisible by 3 e.g. 4035 is divisible by 15 as it ends with a 5 and 4+0+3+5=12 which is divisible by 3