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Q: Do odd numbers have an odd or even number of factors?

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Both odd and even numbers may have odd numbers as factors.

Every even number has odd and even factors.

Even powers of prime numbers. Square numbers have an odd number of factors.

An even power. Square numbers have an odd number of factors.

Even numbers must have 2 amongst their factors; they may have other even numbers amongst their factors. Odd numbers must not; every factor of an odd number must be odd.

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

No, square numbers have an odd number of factors.

No. Odd numbers don't have even factors.

No, only square numbers have an odd number of factors.

Composite numbers can have either an odd number or an even number of fractions. Factors of 25 are 1, 5, 25 . (odd number of them) Factors of 26 are 1, 2, 13, and 26 . (even number of them)

Square numbers have an odd number of factors.

Some even numbers have more factors than some odd numbers and some odd numbers have more factors than some even numbers. As a group, even numbers have more factors than odd numbers.

Some even numbers have more factors than some odd numbers and some odd numbers have more factors than some even numbers. As a group, even numbers have more factors than odd numbers.

The number of factors can be either even or odd.

Square numbers have an odd number of factors.

Square numbers have an odd number of factors.

Square numbers have an odd number of factors.

Square numbers have an odd number of factors.

Square numbers have an odd number of factors.

The GCF of an odd and an even number must be odd since odd numbers do not have any even factors.

No. Since odd numbers don't have any even factors, the GCF of odd and even must be odd.

Yes. Square numbers have an odd number of factors. 49 has three factors.

The product of multiplication results in a number that has all of the factors of the two numbers being multiplied. All even numbers have the prime factor 2. Since no odd number has the factor 2, no product of those numbers can have it. So: - Odd numbers times odd numbers produce odd numbers. - Odd numbers times even numbers produce even numbers. - Even numbers times even numbers produce even numbers.

No. Odd numbers don't have even factors.

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