The sum of all prime numbers between 60 and 75 is 272
All the prime numbers between 50 and 75 are 53, 59, 61, 67, 71 and 73.
73 and 2
100
The prime factors of 75 are 3,5,5 as 3*5*5=75. This can be determined by testing 75 for divisibility by prime numbers starting from 2. Using the prime factorization you can determine that all the factor pairs are (3*5)*5=15*5 and 3*(5*5)=3*25
The prime numbers from 75 through 100 are: 79, 83, 89, 97
14
2,3,5,7,11,13,17,19,23,29,31,37,39,41,43,47,51,53,57,59,61,67,71,73
75 composite numbers are there till 100. 100-25=75. Composite numbers are numbers greater than 1 but not prime numbers.
53,59,61,67,69,71,73.
102
All the prime numbers between 50 and 75 are: 53, 59, 61, 67, 71 and 73.
79, 83, 89, 97
Each of the 25 prime numbers from 1 to 100 has exactly two factors, 1 and the number itself. The other 75 numbers from 1 to 100 are not prime numbers because none of them have exactly two factors.
Including 1 and 100: 75 (73 if the range does not include 1 and 100.)
79, 83, 89, and 97
79 83 89 97