2 3 5 7 11 13 17 19 23 29 31 37 41 43 47
prime numbers are numbers that their only factors are 1 and itself.
Even numbers account for 50% of the numbers from 1 to 50.
It is 50.
328
140
prime numbers are numbers that their only factors are 1 and itself.
The factors of all of the numbers from 1 to 100 are all of the numbers from 1 to 50.
Even numbers account for 50% of the numbers from 1 to 50.
All of those numbers have an infinite amount of multiples.
the only number that is neither prime nor composite is 1.
It is 50.
A number is composite if it has factors apart from 1 and the number itself. Otherwise it is prime. All even numbers (except 2) are composite.
over 50
1,2,3,5,7,11,13,17,19,23,29,31,37,39,41,43,and 49
140
328
(n)( n+1)/2 where n = 50. (50 x 51)/2 = 2,525