| 单词 | Semiprime |
| 释义 | SemiprimeA Composite number which is the Product of two Primes (possibly equal). They correspond to the2-A001358). See also Almost Prime, Chen's Theorem, Composite Number, Prime Number
Sloane, N. J. A. SequenceA001358/M3274in ``An On-Line Version of the Encyclopedia of Integer Sequences.''http://www.research.att.com/~njas/sequences/eisonline.html and Sloane, N. J. A. and Plouffe, S.The Encyclopedia of Integer Sequences. San Diego: Academic Press, 1995. |
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