numbers (version 0.7-5)

twinPrimes: Twin Primes

Description

Generate a list of twin primes between n1 and n2.

Usage

twinPrimes(n1, n2)

Arguments

n1, n2

natural numbers with n1 <= n2.

Value

Returnes a nx2-matrix, where nis the number of twin primes found, and each twin tuple fills one row.

Details

twinPrimes uses Primes and uses diff to find all twin primes in the given interval.

In double precision arithmetic integers are represented exactly only up to 2^53 - 1, therefore this is the maximal allowed value.

See Also

Primes

Examples

# NOT RUN {
twinPrimes(1e6+1, 1e6+1001)
# }

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