If the number 1 is considered a factor, then these are the prime numbers. Their only factors are 1 and themselves.
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it's called a composite number [ a number greater than 1 w/ more than two factors.]
A number that is greater than one having more than two factors is called composite number. e.g. 4,6,8,9 etc.
A composite number
They are prime numbers
A whole number greater than 1 that has 3 or more factors is 10.