Meaning of Chen prime | Babel Free
Examples
“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.”
“There are even magic square of primes, like⟳ this one containing Chen primes discovered by Rudolf Ondrejka:[…]”
“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.”
CEFR level
B2
Upper Intermediate
This word is part of the CEFR B2 vocabulary — upper intermediate level.
This word is part of the CEFR B2 vocabulary — upper intermediate level.
See also
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