5 x 7 x 11 x 13 = 5005
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As a product of its prime factors: 5*7*11*13 = 5005 and so there are only 4 prime factors and not 6
6 is not a prime number but it is a factor of 72
It is a factor of 132, not a prime factor.
No. Since the sum of the digits is divisible by 3, (6 + 9 + 9 = 24), the whole number is divisible by 3.Since it has at least one additional factor in addition to '1' and itself, it's not prime.
Both 6 and 9 have the number 3 as a prime factor. 6 = 3 x 2 9 = 3 x 3