To find the smallest number that has 1, 2, 3, 4 and 5 as factors, you're looking for the least common multiple, or LCM, of those numbers. You can find that by listing the multiples of each number but it's faster to combine their prime factors. You need two twos, a three and a five.
2 x 2 x 3 x 5 = 60
60
The number 60 as a product of prime factors is: 2 x 3 x 5 = 30
Multiples of 60
2,3,4,5,6,10,12,15,20,30
Every one of them has an even number of factors.
60
One possible answer is "factorial".
The answer is 60
Any multiple of 60.
60 has more factors than 100 does.
Any multiple of 60.
Any prime number to the 59th power will have 60 factors.
The number 60 as a product of prime factors is: 2 x 3 x 5 = 30
Multiples of 60
2,3,4,5,6,10,12,15,20,30
60
60