67
83, 89, and 97.
The numbers 83, 89 and 97 are prime.
The only prime numbers between 81 and 90 is... 83
They are: 79+2 = 81
The prime numbers between 80 and 100 are 83, 89, and 97.83 89 97.
61 67 71 73 79.
They are: 83, 89 and 97
83, 89, and 97.
The numbers 83, 89 and 97 are prime.
Because 1-20 is smaller than 81-100. The bigger the number, the harder it is to be prime.
29, 61, 23, 97, 41, and 67 are prime. 81, 51, 93, 77, and 39 are composite.
Three: 83, 89, 97
The only prime numbers between 81 and 90 is... 83
56: 2, 7 67: 67 75: 3, 5 81: 3 89: 89
83
All the prime numbers from 1 to 81 are: 2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47, 53, 59, 61, 67, 71, 73, and 79.
They are: 79+2 = 81