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This is not always true. If the sum of two numbers is even, then those two numbers are either both even or both odd. For example:

2 + 2 = 4 (even + even = even)

5 + 7 = 12 (odd + odd = even)

3 + 2 = 5 (odd + even = odd)

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โˆ™ 2009-08-14 03:29:57
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Q: If the product of 2 even numbers is even then the 2 numbers must be even?
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Is the product of all prime numbers odd?

No. Since 2 is a prime and any number multiplied by an even is even, the product of all primes must be even.


Why is the product of two even numbers even?

An even number is any number that has '2' as a factor.When you multiply two numbers, you multiply all the factors of both of them.If '2' was a factor of either number, or of both, then it's a factor of their product,and the product must therefore be an even number.


If the product of two numbers are even then the two numbers must both be even?

No. If you have an odd number (for example 5) and an even number (say 2) and you multiply them together, you will get an even number (10). Therefore, just because the product of two numbers are even does not make both the numbers being multiplied together even (although at least one must be).


Is the product of 2 consecutive numbers odd or even?

even


Can product of 2 odd no be even?

The product of two odd numbers is never even.


Can you tell if the product of several numbers will be even or odd?

Yes it is possible to determine if a product will be even or odd. To do this, we need to consider what an even number is. Even numbers are numbers with at least one factor of 2 (meaning they are divisible by 2). Thus, any product of numbers which contains at least one even number will result in an even product. If all of the numbers being multiplied together are odd, the product will be odd. If one or more of the numbers is even, the product will be even.


The product of 2 consecutive even numbers is 840. Find the numbers?

The numbers are 28 and 30.


Why the product of two 2-digit numbers must be at least 100?

-98


What are the two prime numbers whose product is an even number less than 80 but more than 70?

2 x 37 = 74 As the product is an even number one of the prime numbers must be 2. Then just check all the even numbers between 70 and 80 that is double a prime number: 74 = 2 x 37.


If the product of two numbers is even then is the two numbers even?

No. 9 X 2 = 18 One is even and one is odd.


How do you the GCFand LCM of 16 and 18?

The GCF of consecutive even numbers is 2. The LCM of consecutive even numbers is their product divided by 2.


What 2 concecutive even numbers have the product 1224?

34 & 36


What is the product when you multiply 2 even numbers?

A number that is a multiple of 4.


Could 21 be a product of 2 even numbers and 1 odd?

no.


Is it true that the product of any two consecutive numbers is even?

YES. The product of any two consecutive numbers is even because their product is always a multiple of 2.Examples:2 * 3 = 63 * 4 = 12


How are odd and even numbers are related to their factors?

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.


If the product of two numbers is even then do the two numbers both have to be positive?

No. Counter Example: -2 * -2 = 4


If the product of 2 numbers is even do the 2 factors have to be even?

No. the factors may be both even but only one of them needs to be.


Which pair of numbers has an odd product and an even sum 6 9 12 15?

Must be the 2 odd numbers, 9 & 15 (P = 135, S = 24)


Product of 2 consecutive even numbers equals twenty four?

The numbers are 4 and 6.


How find 2 numbers with a sum of 23 and product of 132?

as 132 is an even number at least one of the two numbers must also be even 12 + 11 = 23 12 x 11 = 132


What is the result of product of even numbers and odd numbers?

If you multiply one even number by one odd number, the result is always even. In general, if you multiply several numbers, and at least one of the numbers is even, the product is always even. This is because "even" means "multiple of 2", and if one of the factors contains a 2 as a factor, so will the product.


Is the gcf of an even numbers always even?

It is not always even. * * * * * Yes. Since the numbers are even, 2 must be a common factor and so the GCF is a multiple of 2.


The product of 2 consecutive even integers is 48?

The numbers are 6 and 8.


Is the product of an even number of negative numbers negative?

No. Just try it out with 2, or 4, negative numbers.