2024 AMC 10A Problem 15AMC 10 Step by Step
Name: Date: September 13, 2026
Diophantine Equations · difficulty 3 of 5 · about 4 min · position P11-15
Let be the greatest integer such that both and are perfect squares. What is the units digit of ?
- A)
- B)
- C)
- D)
- E)