2 and 5
There are two numbers, 7 and 49, whose smallest prime factor is 7 in the set of numbers from 1 to 100.
Prime factorization refers to whole numbers, not fractions. 100/50 = 2, which is already prime and therefore has no prime factorization other than itself.
Usually, but not necessarily and not if they're prime. All prime numbers have the same number of factors.
The only factor common to all those numbers is 1.
25 prime numbers in that range.
The prime numbers from 75 through 100 are: 79, 83, 89, 97
There are 25 prime numbers between 1 and 100, all of them can be factors.
All of them. 100%. All prime numbers are odd numbers. (The exception being the number 2)
All prime numbers are odd except for 2 which is the only even prime number
2,3,5,7,11,13,17,19,23,29,31,37,41,43,47,53,59,61,67,71,73,79,83,89,97.
97
The only even prime number (not only from 1 to 100, but in general) is 2. All other even numbers are multiples of 2, and therefore, by definition, not prime numbers.
All the numbers less than 100 that are the product of exactly three different prime numbers are 30, 42, 66, 70, and 78.
2,3,5,7,11,13,17,19,23,27,29,31,37,41,43,47,51,53,57,67,79,87,97. I'm not 100% sure of some of these.
what are prime numbers higher than 100
There is only one prime number which is even - that is 2 - and it also happens to be less than 100. All other prime numbers are odd.