what is the factorial of 140?

Question

what is the factorial of 140?

Answer 1

Just to make sure that you aren't confusing "factorial" with "factors of", I'll give you the answers to both :)

To calculate the factorial of 140, which is written as 140!, you multiply all the numbers from 140 down to 1:

140! = 140 * 139 * 138 * ... * 3 * 2 * 1

which is a pretty big number (1.34620125 times ten to the power of 241, to be exact).

Now, the factors of 140 are all the numbers which when multiplied will yield 140. Examples of such numbers are

7 and 20
14 and 10
2 and 70

Now if you want the prime factors of 140, then that's

2 * 2 * 5 * 7

Hope that helps.

Answer 2

I get 1.3462012475717524605876073858942 x 10^(241)
If you want more digits of precision (all 242 of them ☺) then I'll have to fire up some -serious- software, it'll take a few hours of my time, and I'll bill you at my usual rate of $125/hr ☺

Doug