0 the product of (= the result of multiplying) a whole number and all the whole numbers below it: --
The factorial of five (5 x 4 x 3 x 2 x 1) is 120.
Four factorial (4 x 3 x 2 x 1) is 24.
1 relating to a factor (= a fact or situation that influences a result): --
an experiment with a factorial design (= with two or more factors)
2 relating to factorials: --
The number is calculated as a multiplication 1 x 2 x 3 x 4 x 5 x 6=720, or expressed in factorial mathematics: 6!=720.
We can complete it step by step however long the road is and it can't be completed however short the road is if you don't even mark your footprint.
Можем да го завършим стъпка по стъпка, колкото и дълъг да е пътят и не може да бъде завършен, колкото и кратък да е пътят, ако дори не маркирате отпечатъка си.