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The scarcity of cluster primes
Recent computations suggest that so-called cluster primes are less numerous than twin primes, which consist of pairs of consecutive prime numbers that differ by 2.
References:
Blecksmith, R., P. Erdös, and J.L. Selfridge. 1999. Cluster primes. American Mathematical Monthly 106(January):43.
Further Readings:
Peterson, I. 1996. Prime theorem of the century. Science News Online (Dec. 21).
Sources:
Richard Blecksmith
Northern Illinois University
Department of Mathematical Sciences
DeKalb, IL 60115
Web site: http://www.math.niu.edu/faculty/richard.html
John L. Selfridge
Northern Illinois University
Department of Mathematical Sciences
DeKalb, IL 60115
Web site: http://www.math.niu.edu/faculty/selfridg.html
From Science News, Vol. 155, No. 6, February 6, 1999, p. 95. Copyright © 1999, Science Service.
