Rare card
Safe and Sophie Germain primes
- Value
- 50 W
- Attack
- 775
- Defence
- 620
- Players
- 0
In number theory, a prime number p is a Sophie Germain prime if 2p + 1 is also prime. The number 2p + 1 associated with a Sophie Germain prime is called a safe prime. For example, 11 is a Sophie Germain prime and 2 × 11 + 1 = 23 is its associated safe prime.
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