Yes.
But remember that if x is 3 times y then y is 1/3 of x.
Chat with our AI personalities
Yes.
if one number is odd 2 cannot be a common factor
The LCM of two consecutive numbers is their product. The LCM of two consecutive multiples of 5 is their product divided by 5. Two consecutive numbers cannot be multiples of 5.
Multiplication
Nothing: it is not defined. Multiplication is a binary operation and that means it is defined for two numbers. You can multiply one number by another number (which could have the same value), but there is no meaning to multiplication of just one number.