Different winning combination have different chances of coming out. The chance of getting Royal Flush is 40,000:1. 10,000:1 is a chance of getting a Straight Flush. 423:1 is a chance of getting a Four of a Kind. The chance of getting Full House is 86:1. 93:1 is a chance of getting a Flush. 85:1 is a chance of getting a Straight. 13:1 is a chance of getting a Three of a Kind. Only one of 8 combinations can be a Two Pairs. The chance of getting High Pair is 5:1. Computer Jackpot Poker Royal Flush.