primorial

Also known as a prime factorial, the product of all prime numbers that are less than or equal to a given prime p; it is denoted p#. For example 3# = 2 × 3 = 6, 5# = 2 × 3 × 5 = 30, and 13# = 2 × 3 × 5 × 7 × 11 × 13 = 30030.

Related category

• PRIME NUMBERS

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