The prime factorization of a whole number less than 100 is the product of at most __ primes ( not necessarily different ).
\(\text{the smallest number we'll get is by using just the prime number }2 \text{ as a factor}\\ 2^6 = 64<100,~2^7 = 128 > 100\\ \text{so a whole number }<100 \text{ will have at most }6 \text{ non-unique prime factors}\)
+422 
