If an event happens every 13 years and another event happens every 17 years in what year will they both happen?

If an event happens every 13 years and another event happens every 17 years in what year will they both happen?
13 * 17 = 221 So the answer will be below 221, list all multiples until that number13, 26, 39, 52, 68, 78, 91, 104, 117, 130, 143, 156, 169, 182, 195, 208, 22117, 34, 51, 68, 85, 102, 119, 136, 153, 170, 187, 204, 221in year 68 an event will happen on the same year