210
70
The smallest prime number from 1 to 100 is 2.
Prime numbers, raised to a power, have one more factor than their exponents. The smallest prime number is 2. 210 has eleven factors. 210 = 1024
154
The smallest prime number is 2. The smallest prime number greater than 100 is 101.
70 is the smallest number that has prime factors of 2,5 and 7
Logically, the smallest number with 4 different prime factors would have to be the product of the smallest four prime numbers. So the smallest natural number with four different prime factors is 210 (2*3*5*7).
The smallest number with three different prime factors is 30.
There isn't one. Negative numbers have prime factors and numbers don't stop. The smallest positive numbers with a prime factor is 2.
Starting from beginning we see that 0 has infinite factors so it is a composite number and 1 is neither prime nor composite. The next number is 2 which has only two factors so it is the smallest Prime number.
70
It is: 30
70
70
It is 11 which is a prime number whose factors are itself and one
2 x 3 x 5 = 30
5 and 11