Factors of 36... 1,2,3,4,6,9,12,18,36. Factors of 65... 1,5,13,65 The only (and therefore greatest common factor is 1
68: 1, 2, 4, 17, 34, 68 69: 1, 3, 23, 69
65
65, 66, 68, 72, 80, 96 or 128 depending on whether you're counting by 1, 2, 4, 8, 16, 32 or 64.
The factors of 62 are: 1, 2, 31, 62 The factors of 68 are: 1, 2, 4, 17, 34, 68
60, 62, 63, 64, 65, 66, 68, 69, 70
65
All are composite except 61 and 67. Composite numbers: 60, 62, 63, 64, 65, 66, 68, 69, 70
Factors of 36... 1,2,3,4,6,9,12,18,36. Factors of 65... 1,5,13,65 The only (and therefore greatest common factor is 1
Between 60 and 70 the composite numbers are: 62, 63, 64, 65, 66, 68, 69. 60 and 70 are also composite.
60, 62, 63, 64, 65, 66, 68, 69, 70
-20
57, 58, 60, 62, 63, 64, 65, 66, 68, 69
62, 63, 64, 65, 66, 68, 69, 70, 72, 74, 75, 76, 77 and 78.
62, 63, 64, 65, 66, 68, 69, 70, 72, 74, 75, 76, 77 and 78.
It is: 1
(s + 65 + 62 + 70 + 68) / 5 = 66.2 ∴ s + 65 + 62 + 70 + 68 = 331 ∴ s = 331 - 65 - 62 - 70 - 68 ∴ s = 66