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