Prime Numbers for Kids: What Primes Are and Why They Never End

The story of prime numbers for kids: numbers like 2, 3, 5, 7 and 11 that only split into ones, and how Euclid of Alexandria proved around 300 BCE that they never run out.

• How Euclid's argument shows there can never be a biggest prime
• The giant prime found in October 2024 that would fill about 20,000 printed pages
• Why prime numbers lock our messages and help cicadas come out every 13 or 17 years
• Quiz questions to answer along the way

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