cuban prime

Punningly on cube (mathematical sense) and Cuban, though there is no meaningful connection with the country of Cuba.

cuban prime (plural cuban primes)

1. (mathematics) A prime number that is a solution to one of two specific equations involving third powers of x and y. The two equations are ${\displaystyle p={\frac {x^{3}-y^{3}}{x-y}},\ x=y+1,\ y>0}$ and ${\displaystyle p={\frac {x^{3}-y^{3}}{x-y}},\ x=y+2,\ y>0.}$