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No. Seven is odd, for example, and does not have three as a factor.

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

No. A few counterexamples include the numbers 1, 5, 7, and 11, which are all odd numbers but of which 3 is not a factor.

All odd multiples of 3 are not factors of 8.

No odd whole numbers have 12 as a factor. 1 and 3 are odd numbers that are factors of 12.

No. For example: 9 and 27 are both odd but not relatively prime (they both have the factor 3).

No. 5 and 7 are odd numbers.

The odd numbers are all numbers ending in 1, 3, 5, 7, or 9.

No

This can't be determined. The GCF of 3 and 5 is 1. The GCF of 11 and 33 is 11. There's no rule that covers any and all odd numbers.

The factors of three are both odd numbers.

The multiples of all odd numbers are odd and even. Odd x odd = odd. Odd x even = even. Since odd and even numbers alternate, the multiples will alternate as well.

5, 7, a bunch of numbers that are odd are not divisible by 3. numbers that are divisible by three can have all their numbers added together and come out with a number that is divisible by 3.

All even numbers have 2 as a factor, but no odd numbers do. The only even number that will appear as a factor in prime factorizations is 2, because it is the only even prime number. Thus, an odd number will not have even numbers in its prime factorization because an odd number is not evenly divisible by 2. The only even numbers that could appear in the exponential form are the exponents. For example 81 is 34. The factor is an odd number - 3, while the exponent is an even number - 4.

Because not all odd numbers are multiples of 3 - I have shown you below that this is the case and you can see some multiples of 3 are even and some are odd and you can also see that there are even and odd numbers BETWEEN the multiples of 3. 1 (odd) 2 (even) 1*3 =3 (odd) 4 (even) 5 (odd) 2*3 = 6 (even) 7 (odd) 8 (even) 3*3 = 9 (odd) 10 (even) 11 (odd) 4*3 = 12 (even)

The only number between 3 and 45 which is a factor of 3 is 3. There are several multiples of 3 beyond this.

49 is an odd number. All numbers ending in 1, 3, 5, 7, or 9 are odd numbers.

No. Consider 7.

No. If at least one of the numbers odd, then it does not have a factor of 2 and so all common factors cannot be divisible by 2 (ie must be odd), and so the greatest of them must also be odd. For example gcf{12, 15) = 3

No.

The multiples of ODD numbers by ODD numbers are ODD. (e.g. 1 x 3, 3 x 3, 5 x 3) Multiplying any number by an EVEN number produces an EVEN number.

They are all odd numbers.

no... all numbers that end in 3, 5, 7, and 9 are odd

1, 3, 5, 7, 9

Yes, after every even number, there is an odd. Odd number+ even number=odd number. For example: 1+2=3 , 2+3=5, 3+4=7

All the numbers above 2 that are the squares of odd primes have exactly 3 factors: 1, the odd prime, and the odd prime squared. 4, 9, 25, 49, 81, 121,...