12 has exactly 6 factors ^.^
1x12
3x4
2x6
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Prime numbers.
Prime numbers have exactly two factors. 53 and 59 are prime numbers.
exactly 2
Six.
Numbers with exactly 6 factors are perfect squares of prime numbers. The prime factorization of a number with exactly 6 factors is in the form ( p^2 ), where ( p ) is a prime number. There are 10 prime numbers less than 30: 2, 3, 5, 7, 11, 13, 17, 19, 23, and 29. So, there are 10 numbers less than 30 that have exactly 6 factors.