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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).

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

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A perfect square has an odd number of factors.

I would call an odd number factor a factor that is an odd number. I would call a number with an odd number of factors a perfect square.

No odd number has an even factor.

5 is an odd number and is a factor of 100

A square number has an odd number of factors, but a number with an odd number of factor pairs is nothing special.

Square numbers have odd numbers of factors. Examples: 4, 9, 16

All odd numbers have odd factors.

An odd factor is a number that cannot be divided by 2. if it can be divided by 2 it is an even factor or even number.

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.

A square number, like 4, 9 and 25.

25 is an odd factor of 100.

All nonzero numbers have factors. Some factors are odd numbers. The largest of these would be the greatest odd factor. Of course, the greatest odd factor of any odd number is the number itself.

An odd number can't have 12 as a factor. 528 does have 12 as a factor.

2 cannot be a factor of an odd number, 2 must be a factor of an even number.

For 2 to be a factor, the number has to be even. If you multiply two odd numbers together, you get an odd number. 7 is odd, so if I multiply it by any odd number, I will get a number that doesn't have 2 as a factor (e.g. 7x5=35 which doesn't have 2 as a factor). Thus, the answer to the question is "no," not all multiples of 7 have 2 as a factor.

Odd.

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

Square numbers have an odd number of factors, but beyond that, any odd number can be a factor.

no

No.

25 is a odd Factor Of 100 :D

Yes. The odd number does not have 2 as a factor (or else the number would be even). So the gcf does not have 2 as a factor. So the gcf must be odd.

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.

All nonzero numbers have factors. Some factors are odd numbers. 3 is an odd factor of 12.

When you add an odd number to an odd number, you get an even number. When you add an odd number to that even number, the sum is always odd. Don't believe it? Try a few examples yourself.