Q: What is the least whole number that has exactly 7 factors including 1 and itself?

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1024, among others.

There cannot be any. If the number has 21 and 351 as factors then it already has 16 factors.

A prime number is a whole number with exactly two factors: 1 and itself.

the proper factors are the factors of a number not including the number itself, or 1.

A prime number has exactly two factors: itself and 1.

A prime number has exactly two factors: 1 and itself.

a prime number

prime number

No, a prime number has exactly two factors: 1 and itself.

No, a prime number has exactly two factors: 1 and itself.

A prime number has exactly two factors, 1 and the number itself. A composite number has more factors than 1 and itself.

Any of its factors including itself.

Any prime number has exactly two factors, 1 and the number itself.

A prime number has exactly two factors, 1 and the number itself.

A prime number

prime.

A prime number

A prime number is a positive integer that has exactly two different factors: 1 and itself. This is why 1 is not a prime number: it has the factors 1 and itself, but they are the same - it does not have exactly two different factors.

36

Every prime number has exactly 2 factors, 1 and the number itself.

Each prime number has only two factors which are itself and one.

A prime number is a positive integer that has exactly two factors - 1 and itself. A prime number has only two factors which are itself and one.

A prime number has exactly two factors: 1 and the number itself.

any number as long as its prime

If you consider 1 and the prime number itself as factors then: 2If you do not consider 1 and the prime number as factors then: 0A prime number is one that does not have any factors apart from 1 and itself.