2025 AMC 10A Problem 12AMC 10 Step by Step
Name: Date: September 13, 2026
Basic Counting · difficulty 3 of 5 · about 5 min · position P11-15
Carlos uses a -digit passcode to unlock his computer. In his passcode, exactly one digit is even, exactly one (possibly different) digit is prime, and no digit is . How many -digit passcodes satisfy these conditions?
- A)
- B)
- C)
- D)
- E)