An even number can be divided by 2 evenly. An odd number will have a remainder of 1 when divided by 2.
2 cannot be a factor of an odd number, 2 must be a factor of an even number.
An even number can be divided by 2 evenly. An odd number will have a remainder of 1 when divided by 2. There s the same amount of each.
Odd. Even + Even = Even Odd + Odd = Even Odd + Even = Even + Odd = Odd
I do not understand the significance of the word "riddle" in the question, but related to math, non-integers are neither odd nor even. For example, 1.5 and pi are neither even nor odd. 0 is an even number. See "Parity of Zero" in the Related Links for a discussion of why many people mistakenly believe 0 is not even.
odd * odd = odd answer even * even = even answer odd * even = even answer
2 cannot be a factor of an odd number, 2 must be a factor of an even number.
An even number
No, an odd product cannot have an even factor. An odd product is the result of multiplying odd numbers together, and since any even number has 2 as a factor, it cannot result from the multiplication of odd numbers. Therefore, the factors of an odd product will always be odd.
Even numbers must have 2 amongst their factors; they may have other even numbers amongst their factors. Odd numbers must not; every factor of an odd number must be odd.
An even number can be divided by 2 evenly. An odd number will have a remainder of 1 when divided by 2. There s the same amount of each.
An even number can be divided by 2 evenly. An odd number will have a remainder of 1 when divided by 2.
Odd. Even + Even = Even Odd + Odd = Even Odd + Even = Even + Odd = Odd
I do not understand the significance of the word "riddle" in the question, but related to math, non-integers are neither odd nor even. For example, 1.5 and pi are neither even nor odd. 0 is an even number. See "Parity of Zero" in the Related Links for a discussion of why many people mistakenly believe 0 is not even.
even times even = even odd times even = even odd times odd = odd
odd * odd = odd answer even * even = even answer odd * even = even answer
Yes. Even + Even = Even, Odd + Odd = Even and Even + Odd or Odd + Even = Odd
No. Sum of odd + odd = even Sum of odd + even = odd Sum of even + even = even