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