Odd numbers are the numbers that are not divisible by two. In other words, if you do an integer division, dividing any odd number by two, you get a remainder of one.
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Of course not. In fact, the greatest common factor of two odd numbers is never 2.-- 2 is never a factor of any odd number.-- The greatest common factor of the odd numbers 651 and 1,085 is 217.
7 and 15 have the number 1 in common as they are both odd numbers. Additionally, they are both integers and prime numbers.
They have only one thing in common. By adding 1 to either an even number or an odd number makes them opposite. (even becomes odd and odd becomes even).
They are both odd and also prime numbers
Because odd numbers don't have any even factors so they can't have any in common.