SOLUTION: what is the shortest formula for factorial. please send me the answer. for example we have 100!=100.99.98....... its too long can you offer me an easy and short formula for it.

Question 448404: what is the shortest formula for factorial. please send me the answer.
for example we have
100!=100.99.98....... its too long can you offer me an easy and short formula for it.
thanks.

Found 2 solutions by edjones, richard1234:
Answer by edjones(8007) (Show Source): You can put this solution on YOUR website!
5!=5*4*3*2*1
Answer by richard1234(7193) (Show Source): You can put this solution on YOUR website!
100! = 100*99*98*...*1. You could also express it using product notation:

Or as a recursive sequence, where and . 100! is simply .
RELATED QUESTIONS
Can somebody show me how to solve this. Evaluate the factorial expression... (answered by venugopalramana)
if we generate 100 numbers between 1 and 100 , can we determine what is the probability... (answered by ikleyn)
There are 100 students in a school year group. On one day 99% of the students are... (answered by macston)
Trying to help my daughter with her homework... It's been way too long since I did this!... (answered by scott8148)
Determine how many zeros are at the end of the numerals for the following numbers in base (answered by jsmallt9)
I have tried these questions and this is what I have got so far but I am lost and totally (answered by Fombitz)
My 20% grades are 100, 99, 100, 100, 100, 100 My 80% grades are 39, 100 What is my... (answered by Edwin McCravy)
The formula they give me is (Number of Cells in a Phase/ Total number of Cells X 100 =... (answered by Theo)
Determine how many zeros are at the end of the numerals for the following numbers in base (answered by stanbon)