510 is not divisible by seven.
When a number is a multiple of seven it is also divisible by seven.
There is an infinite number of numbers that are not divisible by seven!
. . . it is a multiple of seven.
Seven and 153.
None. The LCM (least common multiple) is the smallest positive whole number exactly divisible by two or more wholenumbers.
Well you have to see if the number is 14 you divide it by 7 and it will give you 2 and that's how you a number is divisible by7.