Fuzion • Idioms • Idiom # 75: Compute LCM

Idiom # 75: Compute LCM

Code

a * b / (a.gcd b)

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a * b / (a.gcd b)
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
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What are effects?

Running example

ex75 is
  lcm (a0,b0 int) int =>
    a0 * b0 / (a0.gcd b0)

  a := int 2147483647             # is the eighth Mersenne prime, equal to 231^-1
  b := int 2305843009213693951    # another Mersenne prime
  x := lcm a b

  say x

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ex75 is
  lcm (a0,b0 int) int =>
    a0 * b0 / (a0.gcd b0)
  a := int 2147483647             # is the eighth Mersenne prime, equal to 231^-1
  b := int 2305843009213693951    # another Mersenne prime
  x := lcm a b
  say x
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
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What are effects?

last changed: 2025-05-13

next: Idiom # 76: Binary digits from an integer