1
1 has the fewest factors.
There aren't any numbers between 1 and 100 with 16 factors.
97 is the only prime number between 90 and 100.
60,72,84,90 and 96 each have twelve factors.
120
1 has the fewest factors.
1 is the only number between 1 and 100 that has too few factors to be a prime number.
There aren't any numbers between 1 and 100 with 16 factors.
36 has nine factors.
97 is the only prime number between 90 and 100.
That would be 1. The only factor of 1 is 1. All other whole numbers have at least two factors. Prime numbers have exactly two factors, while composite numbers have more than two factors.
2 x 2 x 2 x 2 x 2 = 32 7 x 7 = 49 3 x 3 x 7 = 63 2 x 2 x 5 x 5 = 100 49 has the fewest prime factors. 32 and 49 have the fewest distinct prime factors.
60,72,84,90 and 96 each have twelve factors.
60, 72, 84, 90 and 96 each have twelve factors.
In that range, 180 has the most.
120
one of them is 4 because it has 1, 2 and 4 as factors