The first six composite numbers are: 4, 6, 8 , 9, 10, and 12.
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the answer of the first 4 composite numbers is 27
75 has six factors.
the answer is 120 because the first three prime numbers are 2,3,5 and the first three composite numbers are 4,6,8.
You can figure out the "composite numbers" from any table of primes - all the positive integers that are not prime numbers are composite (the number one should also be excluded). The first four composite numbers are:4, 6, 8, 9
The first 12 composite numbers are.... 4,6,8,9,10,12,14,15,16,18,20,21,A composite number is basically any number that can go into that number, so like 15 is a composite number because 15x1=15,and then 5x3=15. That's two or more pair of numbers.