IKMC 2027 - Grades 9-10 - Self-study SET 2 - Thematic Batch 3 Question 4

IKMC · IKMC 2027 - Grades 9-10 - Self-study SET 2 - Thematic Batch 3

Question 4

How many positive integers n make $n^4-2n^3+2n^2-2n+1$ a prime number?

1. 0
2. 1
3. 2
4. 3
5. 4