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To have exactly four POSITIVE factors, you need one of these two options:* The first is the cube of a Prime number. The only candidate in this case is 8.
* The product of two different prime numbers: 2 x 3, 2 x 5, 2 x 7 seem to be the only options. 3 x 5 is 15, which is already outside the range you defined.
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Which numbers are not composite numbers?
Composite numbers have more than two factors. So, the numbers which have two or less than two factors are not composite numbers. Numbers which have exactly two factors are prime numbers. 1 is an exceptional case because it is neither prime nor composite since it has only one factor which is 1.
What numbers have lots of factors?
Composite numbers have more than 2 factors.
What are the composite numbers with more than 2 factors?
All composite numbers have more than two factors.
What is prime and composite numbers mean?
Prime numbers are numbers with only two factors. Composite numbers are numbers with more than two factors.
What is the term for numbers with more than two factors?
Composite numbers are the numbers that have more than two factors.
