99139

This number is a prime.

P = 2n² - Q, where P is the larger of any twin prime pair and Q is the larger of another twin prime is true for prime quadruplets up to 100,000, this one being the largest. [Homewood]

P=2n²-Q, where P is any odd prime and Q is an isolated prime, is true for prime quadruplets less than 100,000. [Homewood]