The Combination Calculator nCr tool enables you to calculate the factorial of a chosen number. C n r r. Is the product of all positive integers less than and equal to n.
R r r r 1 r 1 r 1.
N - r where n represents the total number of items and r represents the number of items being chosen at a time. The 15 potential combinations are 12 13 14 15 16 23 24 25 26 34 35 36 45 46 56. R r r r 1 r 1 r 1. As r 1 r 1 r r 1.