factors | R Documentation |
Returns a vector containing the prime factors of n
.
factors(n)
n |
nonnegative integer |
Computes the prime factors of n
in ascending order,
each one as often as its multiplicity requires, such that
n == prod(factors(n))
.
The corresponding Matlab function is called ‘factor’, but because factors have a special meaning in R and the factor() function in R could not (or should not) be shadowed, the number theoretic function has been renamed here.
Vector containing the prime factors of n
.
isprime, primes
## Not run:
factors(1002001) # 7 7 11 11 13 13
factors(65537) # is prime
# Euler's calculation
factors(2^32 + 1) # 641 6700417
## End(Not run)
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