100, 99, 98, 96, 95, 94, 93, 92, 91, 90, 88, 87, 86, 85, 84, 82, 80, 78, 77, 76, 75, 74, 72, 70, 69, 68, 66, 65, 64, 63, 62, 60, 58, 57, 56, 55, 54, 52, 51, 50, 49, 48, 46, 45, 44, 42, 40, 39, 38, 36, 35, 34, 33, 32, 30, 28, 27, 26, 25, 24, 22, 21, 20, 18, 16, 15, 14, 10, 9, 8, 6, 4, 1
100, 98, 96, 94, 92, 90, 88, 86, 84, 82, 80, 78, 76, 74, 72, 70, 68, 66, 64, 62, 60, 58, 56, 54, 52, 50, 48, 46, 44, 42, 40, 38, 36, 34, 32, 30, 28, 26, 24, 22, 20, 18, 16, 14, 10, 8, 6, 4, 2
One hundred, ninety-nine, ninety-eight, ninety-six, ninety-five, ninety-four, ninety-three, ninety-two, ninety, eighty-nine, eighty-eight, eighty-seven, eighty-six, eighty-five, eighty-four, eighty-two, eighty-one, eighty, seventy-eight, seventy-six, seventy-five, seventy-four, seventy-two, seventy, sixty-nine, sixty-eight, sixty-six, sixty-five, sixty-four, sixty-three, sixty, fifty-eight,
100, 99, 98, 96, 95, 94, 93, 91, 90, 88, 87, 86, 85, 84, 82, 81, 80, 78, 77, 76, 74, 72, 69, 68, 66, 65, 63, 62, 60, 57, 56, 54, 52, 51, 50, 48, 46, 45, 44, 42, 39, 38, 36, 35, 33, 32, 30, 28, 27, 25, 24, 22, 21, 20, 18, 16, 15, 14, 10, 9, 8, 6, 4, 1, 0.
Here's the countdown, skipping primes and 12:
100, 99, 98, 97 (prime), 96, 95 (prime), 94, 93 (prime), 92, 91 (prime), 90, 89 (prime), 88, 87 (prime), 86, 85 (prime), 84, 83 (prime), 82, 81, 80, 79 (prime), 78, 77 (prime), 76, 75, 74, 73 (prime), 72, 71 (prime), 70, 69 (prime), 68, 67 (prime), 66, 65 (prime), 64, 63, 62, 61 (prime), 60, 59 (prime), 58, 57, 56, 55 (prime), 54, 53 (prime), 52, 51, 50, 49 (prime), 48, 47 (prime), 46, 45, 44, 43 (prime), 42, 41 (prime), 40, 39 (prime), 38, 37 (prime), 36, 35 (prime), 34, 33 (prime), 32, 31 (prime), 30, 29 (prime), 28, 27, 26, 25 (prime), 24, 23 (prime), 22, 21, 20, 19 (prime), 18, 17 (prime), 16, 15, 14, 13 (prime), 11 (prime), 10, 9, 8, 7 (prime), 6, 5 (prime), 4, 3 (prime), 2, 1.
Here it goes:
100, 98, 96, 94, 92, 90, 88, 86, 84, 82, 80, 78, 76, 74, 72, 70, 68, 66, 64, 62, 60, 58, 56, 54, 52, 50, 48, 46, 44, 42, 40, 38, 36, 34, 32, 30, 28, 26, 24, 22, 20, 18, 16, 14, 10, 8, 6, 4, 2, 0.
Note: I skipped all prime numbers (e.g. 97, 89, 83, etc.) and 12.
100, 99, 98, 96, 95, 94, 93, 92, 91, 90, 88, 87, 86, 85, 84, 82, 81, 80, 78, 77, 76, 75, 74, 72, 70, 69, 68, 66, 65, 64, 63, 62, 60, 58, 57, 56, 55, 54, 52, 51, 50, 49, 48, 46, 45, 44, 42, 40, 39, 38, 36, 35, 34, 33, 32, 30, 28, 27, 26, 25, 24, 22, 21, 20, 18, 16, 15, 14, 10, 9, 8, 6, 4.
100, 99, 98, 96, 94, 93, 90, 88, 87, 85, 84, 82, 80, 81, 78, 77, 75, 74, 72, 70, 69, 68, 66, 64, 63, 60, 58, 56, 54, 52, 51, 50, 48, 46, 45, 44, 42, 40, 39, 38, 36, 34, 33, 30, 28, 27, 26, 24, 22, 21, 20, 18, 16, 15, 14, 10, 9, 8, 6, 4, 2, 1.
99, 97, 95, 93, 91, 90, 89, 87, 85, 83, 81, 79, 77, 76, 75, 73, 71, 69, 67, 66, 65, 63, 61, 59, 58, 57, 55, 53, 51, 50, 49, 47, 45, 43, 41, 40, 39, 37, 35, 34, 33, 31, 29, 28, 27, 25, 23, 21, 20, 19, 17, 15, 14, 13, 11, 9, 8, 7, 5, 4, 3, 2, 1, 0.
Here is the sequence counting backwards from 100, skipping prime numbers and 12:
100, 98, 96, 95, 93, 91, 90, 88, 87, 85, 84, 82, 80, 78, 77, 75, 74, 72, 70, 69, 68, 66, 65, 63, 62, 60, 58, 57, 55, 54, 52, 51, 50, 48, 46, 45, 44, 42, 40, 39, 38, 36, 35, 33, 32, 30, 28, 27, 26, 25, 24, 22, 21, 20, 18, 16, 15, 14, 10, 9, 8, 6, 4, 2, 1
98, 96, 94, 92, 90, 88, 86, 84, 82, 80, 78, 76, 74, 72, 70, 68, 66, 64, 62, 60, 58, 56, 54, 52, 50, 48, 46, 44, 40, 38, 36, 34, 32, 30, 28, 26, 24, 22, 20, 18, 16, 14, 10, 8, 6, 4, 2
100, 99, 98, 96, 95, 94, 93, 91, 90, 88, 87, 86, 85, 84, 82, 81, 80, 78, 77, 76, 75, 74, 72, 70, 69, 68, 66, 65, 64, 63, 62, 60, 58, 57, 56, 55, 54, 52, 51, 50, 49, 48, 46, 45, 44, 42, 40, 39, 38, 36, 35, 34, 33, 32, 30, 28, 27, 26, 25, 24, 22, 21, 20, 18, 16, 15, 14, 10, 9, 8, 6, 4, 1.
100, 99, 98, 96, 95, 94, 93, 92, 90, 88, 87, 86, 85, 84, 82, 81, 80, 78, 77, 76, 75, 74, 72, 70, 69, 68, 66, 65, 64, 63, 62, 60, 58, 57, 56, 55, 54, 52, 51, 50, 49, 48, 46, 45, 44, 42, 40, 39, 38, 36, 35, 34, 33, 32, 30, 28, 27, 26, 25, 24, 22, 21, 20, 18, 16, 15, 14, 10, 9, 8, 6, 4, 1, 0
Sure, here are the numbers counted backwards from 100, skipping prime numbers and 12:
100, 99, 98, 97, 96, 95, 94, 93, 92, 91, 90, 89, 88, 87, 86, 85, 84, 83, 82, 81, 80, 79, 78, 77, 76, 75, 74, 73, 72, 71, 70, 69, 68, 67, 66, 65, 64, 63, 62, 61, 60, 59, 58, 57, 56, 55, 54, 53, 52, 51, 50, 49, 48, 47, 46, 45, 44, 43, 42, 41, 40, 39, 38, 37, 36, 35, 34, 33, 32, 31, 30, 29, 28, 27, 26, 25, 24, 23, 22, 21, 20, 19, 18, 17, 16, 15, 14, 13, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1.
Here's the countdown from 100, skipping primes and 12:
100, 99, 98, 96, 95, 94, 93, 92, 91, 90, 88, 87, 86, 85, 84, 82, 81, 80, 78, 77, 76, 75, 74, 70, 69, 68, 66, 65, 64, 63, 62, 60, 58, 57, 56, 55, 54, 52, 51, 50, 49, 48, 46, 45, 44, 42, 40, 39, 38, 36, 35, 34, 33, 32, 30, 28, 27, 26, 25, 24, 22, 21, 20, 18, 16, 15, 14, 10, 9, 8, 6, 4, 1.
(Primes and 12 skipped!)
100, 99, 98, 96, 95, 94, 93, 92, 91, 90, 88, 87, 86, 85, 84, 82, 80, 78, 77, 76, 75, 74, 72, 70, 69, 68, 66, 65, 64, 63, 62, 60, 58, 57, 56, 55, 54, 52, 51, 50, 49, 48, 46, 45, 44, 42, 40, 39, 38, 36, 35, 34, 33, 32, 30, 28, 27, 26, 25, 24, 22, 21, 20, 18, 16, 15, 14, 10, 9, 8, 6, 4, 1
Sure, here's a countdown from 100 to 1, skipping prime numbers and 12:
100, 99, 98, 96, 95, 94, 91, 90, 88, 87, 85, 84, 82, 81, 78, 77, 75, 74, 72, 69, 68, 66, 65, 63, 62, 60, 57, 56, 54, 51, 49, 48, 46, 45, 44, 42, 39, 38, 36, 35, 33, 32, 30, 27, 26, 24, 21, 20, 18, 15, 14, 10, 9, 8, 6, 4, 1.
100, 99, 98, 96, 95, 94, 93, 92, 91, 90, 88, 87, 86, 85, 84, 82, 81, 80, 78, 77, 76, 75, 74, 72, 70, 69, 68, 66, 65, 64, 63, 62, 60, 57, 56, 55, 54, 52, 51, 50, 49, 48, 46, 45, 44, 42, 40, 39, 38, 36, 35, 34, 33, 32, 30, 28, 27, 26, 25, 24, 22, 21, 20, 18, 16, 15, 14, 10, 9, 8, 6, 4, 1