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The least common multiple (LCM) is the smallest positive integer that can be divisible by all the numbers being compared.

The LCM can be calculated through a variety of formulas and methods. One such method is through prime factorization.

Least Common Multiple of 80 & 60First find the prime factorization of both numbers.
  • 80: 24 • 5
  • 60: 22 • 3 • 5

The LCM can then be found by multiplying the highest power of each Prime number together. The highest power of the three prime numbers (2, 3, 5) here are (24, 3, and 5).

  • 24 • 3 • 5 = 240

The least common multiple of 80 and 60 is 240.

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11y ago

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