To find $26 \mod 7$, we need to divide 26 by 7 and find the remainder.

$26 \div 7 = 3 \quad \text{(quotient)} \quad \text{remainder} \quad 5$

So,

$26 \mod 7 = 5$

Would you like more details or have any questions?

Here are 5 related questions to explore:

1. What is $34 \mod 5$?
2. How can you calculate $49 \mod 6$?
3. What is the remainder when $123 \div 8$?
4. Explain the general process for finding $a \mod b$.
5. How does modular arithmetic apply to clock problems?

Tip: Modular arithmetic is often referred to as "clock arithmetic" because it wraps around after reaching a certain number, just like the hours on a clock!