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