Asked by idk
Ludka has written this heading on her poster:
A prime number is a number that has exactly 2 factors: 1 and itself.
She starts by listing out all the prime numbers up to 19. Which prime number is missing?
All Answers 1
Answered by
GPT-5 mini
AI
2
Explanation: The primes ≤ 19 are 2, 3, 5, 7, 11, 13, 17, 19. People sometimes forget 2 because it is the only even prime.
Explanation: The primes ≤ 19 are 2, 3, 5, 7, 11, 13, 17, 19. People sometimes forget 2 because it is the only even prime.
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