(51+57)/2 = 54
50. 51. 52. 53. 54. 55. That is 6 numbers.
52, 54, 55, 56, 57, 58
54
49, 50, 51, 52, 54 and 55 are the composite numbers between 48 and 56.
(51+57)/2 = 54
50. 51. 52. 53. 54. 55. That is 6 numbers.
52, 54, and 56. I would include 58, but the word 'between' means that it can not include the numbers on the ends (51 and 58).
There are four: 45, 48, 51 and 54.
52, 54, 55, 56, 57, 58
52+54+56 = 162
54
The numbers are 51, 52, 53 and 54.
53 x 54 = 2,862
The composite numbers between 50 and 65 are 50, 51, 52, 54, 55, 56, 57, 58, 60, 62, 63, 64, 65
49, 50, 51, 52, 54 and 55 are the composite numbers between 48 and 56.
There are ten prime numbers between 51-100.