9 is composite as it can be divided by 1, 3 and 9
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a composite number just to let you know, the only even prime number is 298 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.98 is composite.
1 is special 2 prime 3 prime 4 composite 5 prime 6 composite 7 prime 8 composite 9 composite 10 composite 11 prime 12 composite ext.
Prime numbers: 2 3 5 and 7 Composite numbers: 4 6 8 9 and 10 Note that 1 is neither a prime or a composite number
1, 2, 3, 6, 7, 14, 21, 42
1, 2, 5, 7, 10, 14, 35, 70