101
Prime.
composite
1000, 1020, 1040, 1060, 1080, and 1100
Mean average of 175, 550, 750 & 1100 (175+550+750+1100)/4 = 643.75
0.001, 1.1, 10, 100, 1100, 10000100
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
1100
Composite
composite
Prime.
composite
prime
8924 is the number that comes 1100 numbers after 7824.
1100
Since all the numbers in that range start with "11", there is really only one option!
Yes, 28 is composite.