What is the remainder when 2^10 is divided by 7? A 1 B 2 C 4 D 6 ✓ Correct Answer: Option B 2^1=2, 2^2=4, 2^3=1 (mod 7). Cycle of 3. 10 mod 3 = 1. So 2^10 mod 7 = 2^1 mod 7 = 2. Practice GRE Exam Prep Quizzes → Browse All Questions Study Flashcards