Semiprime

adj, noun

adj, noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    A natural number that is the product of two (not necessarily distinct) prime numbers.

    "Again, to be perfectly clear, we are looking for c values that produce a low density of semiprimes when employing Euler's basic polynomial but changing the c values, in the range of x=1 to 10000. Some very early standouts are: c=4 which produces 799 semiprimes; c=6 which produces 532 semiprimes; c=12 which produces only 431 semiprimes; c=18 which produces 364 semiprimes, and c=30 which produces only 320 semiprimes."

Adjective
  1. 1
    That has properties derived directly or by extension from a semiprime. not-comparable

    "The final part of the semiprime-semisimple analogy is given by Proposition 4.4. A ring #92;mathbf#123;R#125; is semiprime if and only if #92;mathbf#123;R#125; is isomorphic to a subdirect product of prime rings."

Synonyms

All synonyms
biprimebiprime

Example

More examples

"The square of any prime number is a semiprime."

Etymology

From semi- + prime.

Related phrases

discrete semiprimedistinct semiprimenatural numberprime number

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.