10000
10000
i dont noooooooo
10,000
9990
10000
20000
10,000
10000
9990 is one such number.
A composite - it is divisible by 2.
9990
9990
10,000
10000
9990
10000
0
10000
9990
10000
The largest such number is 9990. 9990/2 = 4995, and 9990/5 = 1998.
9990
9990 is one such number.