Chen prime
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English
[edit]Etymology
[edit]Named after Chinese mathematician Chen Jingrun, who proved in 1966 that there are infinitely many such numbers.
Noun
[edit]Chen prime (plural Chen primes)
- (number theory) Any prime number p such that p+2 is either a semiprime or another prime.
- 2013, Laura Hemphill, Buying In, Haughton Mifflin Harcourt (New Harvest), page 278,
- She tried counting Chen primes. 2, 3, 5... 7, 11... 13... 17... She couldn't concentrate.
- 2014, Christian Bessiere et al., “Reasoning about Constraint Methods”, in Duc-Nghia Pham, Seong-Bae Park, editors, PRICAI 2014: Trends in Artificial Intelligence, Springer, page 804:
- There are even magic square of primes, like this one containing Chen primes discovered by Rudolf Ondrejka: […]
- 2014, Rajesh Kumar Thakur, The Power of Mathematical Numbers, Ocean Books, page 155:
- A prime number p is called a Chen prime if p + 2 is either a prime or a product of two primes. […] There are infinitely [many] Chen primes and the first ten are: 2, 3, 5, 7, 11, 13, 17, 19, 23 and 29.
- 2013, Laura Hemphill, Buying In, Haughton Mifflin Harcourt (New Harvest), page 278,
See also
[edit]Further reading
[edit]- Chen Prime on Wolfram MathWorld
Prime gap on Wikipedia.Wikipedia
Prime pair on Wikipedia.Wikipedia
Twin prime on Wikipedia.Wikipedia
Twin prime conjecture on Wikipedia.Wikipedia
Polignac's conjecture on Wikipedia.Wikipedia