Because 60 is divisible by numbers other than 1 and 60.
60 is divisible by 1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60
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60
Yes, 60 is composite: its factors are 1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30 and 60. A composite number is any number that has factors other than one and itself.
It is divisible by, 2,3,4,5,6,10,12,15,20,30.
60 and 80 :D
60 is a composite number. A prime number has only 2 factors which are 1 and itself. Composite numbers are everything else except 1 and 0. 1 and 0 are neither prime, nor composite.