Extended maintenance of Ruby 1.9.3 ended on February 23, 2015. Read more

- prime.rb

Object

each_prime(ubound)
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Iterates the given block over all prime numbers.

See `Prime`

#each for more details.

# File prime.rb, line 40 def Integer.each_prime(ubound, &block) # :yields: prime Prime.each(ubound, &block) end

from_prime_division(pd)
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Re-composes a prime factorization and returns the product.

See Prime#int_from_prime_division for more details.

# File prime.rb, line 21 def Integer.from_prime_division(pd) Prime.int_from_prime_division(pd) end

prime?()
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Returns true if `self`

is a prime number, false for a composite.

# File prime.rb, line 33 def prime? Prime.prime?(self) end

prime_division(generator = Prime::Generator23.new)
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Returns the factorization of `self`

.

See Prime#prime_division for more details.

# File prime.rb, line 28 def prime_division(generator = Prime::Generator23.new) Prime.prime_division(self, generator) end

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