Composite number 18 prime factorization, expressed as a product of prime factors (ordered from the least to the largest).

18 is not prime, is a composite number.
18 = 2 × 32;

:: A composite number is a positive integer that has at least one factor (divisor) other than 1 and itself. All the factors (divisors) of 18 :: Positive integers that are only dividing by themselves and 1 are called prime numbers.

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see more: Coprime numbers (relatively prime)


Latest factored numbers

24 = 23 × 3 Sep 24 10:29 UTC (GMT)
18 = 2 × 32 Sep 24 10:29 UTC (GMT)
12 = 22 × 3 Sep 24 10:29 UTC (GMT)
9 = 32 Sep 24 10:29 UTC (GMT)
1,536 = 29 × 3 Sep 24 10:29 UTC (GMT)
384 = 27 × 3 Sep 24 10:29 UTC (GMT)
124 = 22 × 31 Sep 24 10:29 UTC (GMT)
126 = 2 × 32 × 7 Sep 24 10:29 UTC (GMT)
84 = 22 × 3 × 7 Sep 24 10:29 UTC (GMT)
18 = 2 × 32 Sep 24 10:29 UTC (GMT)
45 = 32 × 5 Sep 24 10:29 UTC (GMT)
2 is a prime number Sep 24 10:29 UTC (GMT)
26 = 2 × 13 Sep 24 10:29 UTC (GMT)
see more... integer numbers factored down to their prime factors