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All positive integers which are not perfect squares.

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โˆ™ 2015-02-04 21:29:47
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โˆ™ 2016-03-18 04:00:29

non-squares

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Q: What numbers always have an even number of factors?
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Can you always find a third factor for larger even numbers?

Yes. An even number will always have as it's factors, itself, 1, 2 and another number. So the minimum number of factors for an even number other than 2 is four.


Which Two factors will always go into Even numbers?

1 and 2 are factors of all even numbers.


What numbers always have 2 as one of their factors?

even numbers


Is the GCF of an odd number and an even always even?

No, always odd. Since odd numbers don't have any even factors, they can't have any in common.


Do all even numbers have as a factors?

do you mean " what does all even numbers have as factors?"? then the number two.


What is the sum of even factors of a number?

Sum of even factors of a number will always equal an even number.


The Factors of an even number are always even?

No.


Do all numbers have an even number of factors?

No. Perfect square numbers have an odd number of factors.


Is the GCF of any two numbers always odd and why?

The GCF of any two odd numbers is always odd because odd numbers don't have any even factors. The GCF of any two even numbers is always even because even numbers are divisible by two and any common factors would have at least one two in common. The GCF of an even and an odd number is odd because odd numbers don't have any even factors.


Why is the product of an even number and any other number always even?

When you multiply numbers together, the factors of the product are the factors of all of the multiplicands, and every even number includes at least one factor of 2.


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.


Is the greatest common factor an odd number and even number is always even?

No. Odd numbers only have odd factors. They could not have an even factor in common.

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