noun

primorial

primorial · primorials

Primorial, Primfakultät

Any number belonging to the integer sequence whose nth element is the product of the…Any number belonging to the integer sequence whose nth element is the product of the first n primes.

/pɹaɪ̯ˈmɔːɹi.əl/

Meaning

2 senses

Any number belonging to the integer sequence whose nth element is the product of the first n primes.
Primorial, Primfakultät
A unary operation, denoted by the postfix symbol # and defined on the nonnegative integers, which maps 0 to 1, 1 to 1, and each subsequent number to the product of all primes less than or equal to it; the value mapped to by said operation for a given input.
The primorial of 6 is #92;textstyle 6#92;#35;#61;2#92;times 3#92;times 5#61;30.