# Number of Primes of Form n^2 + 1/Historical Note

## Historical Note on Number of Primes of Form $n^2 + 1$
According to François Le Lionnais and Jean Brette in their Les Nombres Remarquables of $1983$, this conjecture is the work of Godfrey Harold Hardy and John Edensor Littlewood, but the specific source of this information has not yet been tracked down.