# Uh oh.....This is too big!

**Computer Science**Level 4

**Details and Assumptions**

-If the number is 1234567654321 then we will proceed like this - \(2 \times 3 \times 5 \times 7 \times 5 \times 3 \times 2 = 6300\) (This is A in the question). Sum of digits=9. Prime factors=3 and 3. Their sum=3+3, so answer here is \(\boxed{6}\).