write a pl/sql program to calculate factorial of any given number

write a pl/sql program to calculate factorial of any given number

Code

DECLARE
FACT NUMBER:=1;
V VARCHAR2(100);
BEGIN
FOR I IN 1..10
LOOP
FOR J IN 1..I
LOOP
FACT:=FACT*J;
V:=J||'*'||V;
END LOOP;
DBMS_OUTPUT.PUT_LINE(RTRIM(V,'*')||'='||FACT);
FACT:=1;
V:=NULL;
END LOOP;
END;
  

output

1=1
2*1=2
3*2*1=6
4*3*2*1=24
5*4*3*2*1=120
6*5*4*3*2*1=720
7*6*5*4*3*2*1=5040
8*7*6*5*4*3*2*1=40320
9*8*7*6*5*4*3*2*1=362880
10*9*8*7*6*5*4*3*2*1=3628800

Statement processed.