The jackpot is triggered by a specific combination of symbols on the reels. When you pull the lever or push the button, the random number generator generates a mixture of symbols. If the given combination matches the jackpot combination, you win big time.
No, there is no way to predict when a slot machine is going to hit a jackpot or to determine which machine is going to be lucky. Slot machines are programmed to use a random number generator (RNG) to determine the outcome of each spin, and the RNG generates random and unpredictable results.
Slot machines with high-payout potential often come equipped with enticing bonus features and free spin rounds. These additional features can significantly enhance your chances of winning big. Look for machines that offer multipliers, expanding wilds, or bonus games within the slot game.