They are all prime numbers except 63 which is a composite number because it has more than two factors
63
39 = 3 x13 49 = 7 x 7 59 = prime 69 = 3 x 23 79 = prime 89 = prime 99 = 3 x 33
47, 53, 59, 61, 57, 71, 73, 79
19, 29, 59, 79, 89.
19 29 59 79 89
The numbers 53, 59, 61, 67, 71, 73 and 79 are prime.
The prime numbers between 50 and 100 are 53, 59, 61, 67, 71, 73, 79, 83, 89, and 97.
The numbers 53, 59, 61, 67, 71, 73, 79, 83, 89 and 97 are prime.
53 59 61 67 71 73 79 83 89 97.
The prime numbers between 51 and 80 are: 53, 59, 61, 67, 71, 73 and 79
59 61 67 71 73 79 83 89.
They are: 47 53 59 61 67 71 73 79 and 83