Prime Numbers: The Building Blocks of Mathematics - Exam
- 1. Which of the following is the smallest prime number?
A) 5
B) 3
C) 2
D) 1
- 2. What is the next prime number after 17?
A) 23
B) 21
C) 19
D) 25
- 3. What is the prime factorization of 20?
A) 2 x 2 x 2
B) 3 x 3 x 3
C) 2 x 3 x 5
D) 2 x 2 x 5
- 4. What is the sum of the first five prime numbers?
A) 30
B) 25
C) 28 (2 + 3 + 5 + 7 + 11)
D) 20
- 5. Which famous mathematician proposed the Goldbach Conjecture regarding prime numbers?
A) Pierre de Fermat
B) Leonhard Euler
C) Euclid
D) Christian Goldbach
- 6. What is the first prime number above 100?
A) 101
B) 99
C) 103
D) 97
- 7. Which algorithm can be used to determine if a number is prime?
A) Quick sort algorithm
B) Dijkstra's algorithm
C) Euclidean algorithm
D) Sieve of Eratosthenes
- 8. What is the product of the first three prime numbers?
A) 25
B) 20
C) 35
D) 30 (2 x 3 x 5)
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