Two even numbers never, NEVER equal an odd number. For example, 2+2=4, 150+68= 218, 1,000,000+2= 1,000,002. However, two odd numbers equal an even number. For example, 13+45= 58. It is the same when multiplying negatives and postitives, as seen in Pre Algebra.
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The product of multiplication results in a number that has all of the factors of the two numbers being multiplied. All even numbers have the prime factor 2. Since no odd number has the factor 2, no product of those numbers can have it. So: - Odd numbers times odd numbers produce odd numbers. - Odd numbers times even numbers produce even numbers. - Even numbers times even numbers produce even numbers.
The sum of any four odd numbers will never be equal to an odd number.
Even square numbers are even, by definition. Two even numbers multiplied together give an even number so no, they cannot multiply to give an odd number. You have to multiply an even number by an odd number to do this.
Even numbers are definitely divisible by 2, odd numbers aren't ----------------- even numbers are the numbers that can be divided by 2 while the odd numbers are the numbers that cannot be divided by 2.
An odd number of odd numbers can not add up to an even number. There fore any 9 (odd) odd numbers can not add up to 50 (even).