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At least one of the factors of an even number must be even, because the product of odd factors is always odd.

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13y ago
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10y ago

No. For example, 30 is an even number but two of its factors are odd; 5 and 15.

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8y ago

Since 1 is a factor of every positive integer, there are no numbers with only even factors.

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7y ago

Odd numbers only have odd factors. The GCF would have to be odd.

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7y ago

All even numbers have two as a factor. Since two will be a common factor of any set of even numbers, the GCF will also have two as a factor, making it even.

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7y ago

Yes, that's true.

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7y ago

That is true.

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12y ago

No.

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9y ago

Yes.

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7y ago

Yes, it is.

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Q: Do all even numbers have only even numbers for factors?
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Related questions

Do all even numbers have only even numbers as factors?

No. 24 has 3 as a factor. 30 has 15 as a factor.


Which numbers are factors of all even numbers?

1 and 2 are factors of all even numbers.


Why are all the prime numbers are odd numbers?

All prime numbers are not odd numbers. 2 is an even prime number, and it is the only even prime number because all other even numbers have 2 as one of their factors.


Is an even number composite?

All even numbers are composite numbers except 2 which is the only even prime number because it has only two factors which are itself and one.


What is the 2 factors of even numbers?

it is the integers of even numbers which divide all the even numbers


What are two examples of a type of number that has an odd number factor?

There are square numbers (numbers which are a square of an integer), such as 4. It's factors, listed are 1, 2, and 4. All square numbers have an odd number of factors. Then there's 1, which has only 1 factor: 1. All other numbers have an even number of factors. Prime numbers will have only 2 factors (2 is even).


What is the only even prime number and why?

2 is the only even prime number. All other even numbers have more than two factors.


What is the meaning of even and odd factors?

All nonzero numbers have factors. Some factors are even numbers, some factors are odd numbers.


Will a prime number always have an odd numbers of factors?

All prime numbers have only 2 factors which are themselves and one. Al prime numbers are odd numbers except for 2 which is the only even prime number.


Which Two factors will always go into Even numbers?

1 and 2 are factors of all even numbers.


Is two the only prime number?

no. 2 is the only even prime number. Prime numbers are numbers that only have two factors; one and itself. E.g. The number 7 only has two factors- 1x7=7. 2 is a factor of all even numbers, therefore no other even numbers are prime. They are composite. 2, however, is a prime number, as it's only factors are itself (2) and 1.


Why do all numbers other than square numbers have an even number of factors?

Factors come in pairs. It is only in the case of a square number that the two middle factors are equal and so are counted only once.