# Count Consecutive Primes in Java

/** * This method calculates the number of consecutive prime numbers that * result from a quadratic equation. * Assume the quadratic equation is in this form: x^2 + a*x + b * Pass the method the a and b coefficients. * * @param a Coefficient of the middle term of the quadratric * @param b Coefficient of the rightmost term of the quadratic * @return The number of consecutive primes generated by the * quadratic, starting with x = 0. */ private static int countConsecutivePrimes(int a, int b) { int count, value = 0, num = 0; count = 0; while (true) { value = num * num + a * num + b; if (Utils.isPrime(value) == true) { count++; } else { break; } num++; } return count; }

- The Contest Center - Mathematical Puzzles

Puzzles involving prime numbers and factors. - Mersenne Primes: History, Theorems and Lists

The definitive pages on the Mersenne primes and the related mathematics!

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