The numbers below 500 having the most prime factors are 256 and 384 with eight prime factors each. Prime factorization is 256=2x2x2x2x2x2x2x2 and 84=2x2x2x2x2x2x2x3.
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All prime numbers have exactly two factors. There is not a prime number below 50 that has the most factors since they all have the same number of factors.
This is because they are only two factors in that number. It may seem to you that all prime numbers odd, but it is not true. Most of them however, are prime numbers. This is why most of the odd numbers are prime numbers.
There are more composite numbers than prime numbers because most numbers have more factors than just 1 and a number itself.
If you're asking about distinct prime factors, there are eight numbers tied with three of them. If not, 64 has six twos.
Most of the time, but large prime numbers still have only two factors.