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