Multiples are an infinite list, so not all of them could ever be written down. These are the first 20: 40, 80, 120, 160, 200, 240, 280, 320, 360, 400, 440, 480, 520, 560, 600, 640, 680, 720, 760,...
1, 2, 4, 5, 8, 10, 20, and 40
40, 80, 120, 160, 200, 240, 280, 320, 360, 400, 440, 480, 520, 560, 600, 640, 680, 720, 760, 800 Those are the first 20 multiples. They go on forever.