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Q: Is two a factor of even odd or whole?

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No, two odd numbers cannot have a greatest common factor that is an even number, because no odd number can have an even number as a factor. Any even number multiplied by any other whole number is always an even number.

No. An odd number has no even factor. So two odd numbers can't have the same even factor.Make sense ?

No. Odd numbers don't have even factors.

No, always odd.

It is odd, as it is not divisible by two (and still leave a whole number).

That can't happen. Odd numbers don't have even factors.

Not only can they, but they must. An odd number cannot have an even factor. So none of the factors of either of the two odd numbers can be even and so the GCF is made up of only odd factors and so it must be odd.

It doesn't have to be a prime number and an even number. The sum of any two whole numbers is a whole number. Also, the sum of two even numbers is an even number, the sum of two odd numbers is an even number, and the sum of an odd number and an even number is an odd number.

25

Yes.Yes.2 can never be a factor of an odd number and because of that it can't be a common factor of any number pair where at least one of numbers is odd.

If it is even, divide it by two. If your second number is also even, your original number is divisible by four. This is a necessary and sufficient condition; A cannot be divisible by four if either of {A, B} is odd.If either your original number or your second number were odd, then the original number is not divisible by four.Proof of this rule (by cases):Where applicable, A = 2B.A even, B even: B = 2m (m is a whole factor of B) and therefore A = 4m, therefore 4 is a factor of A by definition of a factor.A even, B odd: if B is odd, it does not have 2 as a whole factor. Therefore there exists no whole m such that A = 4m, and therefore 4 is not a factor of A by definition of a factor.A odd: A cannot have any even factors. 4 is even. Therefore 4 is not a factor of A.

No. Odd numbers can't have any even factors, much less a GCF.

Yes. The final digit is a two... always look at the last digit in a number if you want to know whether it is even or odd. if the number is even, the whole number is even and if the last digit is odd than the whole number is odd.

Even. as when divided by two it gives a whole number of 14

All whole numbers ending in two are even.

No. All whole numbers ending in two are even.

The number 21 is odd since it cannot be divided by two to make a whole number.

It is an odd amount. Any integer not wholly divisible by two is an odd number.

87 is an odd number. Since 87 / 2 = 43.5, not a whole number, it is odd. If it were even, you would be able to evenly divide it by two.

ODD NUMBERS. If you take two consecutive whole (non zero) numbers then one will be an odd number and the other will be an even number. The sum of an odd number and an even number is always an odd number.

Assuming the second even number is equal to 4 or greater, than the highest common factor of the two numbers is equal to an even number 2 or greater. Why can't an odd factor be used? Any odd factor must be multiplied by (at least) 2 to create an even product (ie. the 1st even number). That same odd factor must be multiplied by (at least 2) and any other number to create a 2nd even product, thereby making the Greatest Common Factor (at least) 2 times the odd number....which is an even number.

even,odd,multiple,factor

Subtract 25 from 50.

Two even numbers won't have an odd GCF.

The sum of two odd numbers or two even numbers is an even number. The sum of an odd number and an even number is an odd number.