what is the probability of getting a royal flush in poker?

Question

I realize it is 4/C(52,5), but what are the combinations for the numerator?

Answer 1

Don't assume everybody knows what a royal flush is, I had to look it up

http://en.wikipedia.org/wiki/Hand_rankings#Straight_flush

There are 4 possible royal flushes.
the number of ways to choose any 5 cards
= C(52,5)

so the prob of a royal flush = 4/C(52,5)
= 4/2598960
= 1/649740

Answer 2

that sounds sooooooooooooooooooo hard .
i'm glad i don't have 2 do that !!

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