4
6
8
9
10
12
14
15
16
18
20
21
22
24
25
26
27
28
30
32
33
34
35
36
38
39
40
42
44
45
46
48
50
51
52
54
55
56
58
60
62
63
64
65
66
68
69
70
72
74
75
76
77
78
80
81
82
84
85
86
88
90
92
93
94
95
96
98
99
100
composite
Prime.
1001 1010 1100 they all are
1000, 1020, 1040, 1060, 1080, and 1100
Mean average of 175, 550, 750 & 1100 (175+550+750+1100)/4 = 643.75
420 is a composite, as are ALL even numbers - with the exception of the number 2.
10 and 3 8 and 5 7 and 6
prime
Composite
composite
composite
Prime.
1100
8924 is the number that comes 1100 numbers after 7824.
No, it's a prime number
Yes, 28 is composite.
1100