60,72,84,90 and 96 each have twelve factors.
It is one of 5 numbers.
There aren't any numbers between 1 and 100 with 16 factors.
1
1 has the fewest factors.
97 is the only prime number between 90 and 100.
In that range, 180 has the most.
It is one of 5 numbers.
60, 72, 84, 90 and 96 each have twelve 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.
100
1
1 has the fewest factors.
36 has nine factors.
the number 90 has the most factors under 100
97 is the only prime number between 90 and 100.
If it has an odd number of factors (greater than 3) then it must be a perfect square that is not the square of a prime number. This leaves 42, 62, 82 and 92. The answer is 82 = 64 which has the factors 64, 32, 16, 8, 4, 2 and 1.