Найдите все простые делители чисел 180 210 220

Ответ:

180 - 1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180
210 - 1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210
220 - 1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220

180=2,3,5,9,15,18,45.
210=2,3,5,7,15,21,105,
220=2,5,11,55.