Least Common Multiple
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Questions and Answers

What does lcm(a, b) represent in arithmetic and number theory?

  • The largest positive integer divisible by both a and b
  • The smallest positive integer divisible by both a and b (correct)
  • The product of integers a and b
  • The sum of integers a and b

    • How is the least common multiple of two integers a and b denoted?

  • lcm(a, b) (correct)
  • a * b
  • (a + b)
  • [a, b]

    • What is the least common multiple of −5 and −2?

  • -10
  • 20
  • 10 (correct)
  • -20

    • How is the least common multiple of more than two integers usually denoted?

    <p>lcm(a, b, c,...)</p> Signup and view all the answers

    What is the only common multiple of a and 0, according to some authors?

    <p>0</p> Signup and view all the answers

    What is the least common multiple of two integers a and b denoted as?

    <p>lcm(a, b)</p> Signup and view all the answers

    How is the least common multiple of the denominators of two fractions referred to as?

    <p>lowest common denominator (lcd)</p> Signup and view all the answers

    What is the only common multiple of a and 0, according to some authors?

    <p>0</p> Signup and view all the answers

    What is the product of a number and an integer called?

    <p>multiple</p> Signup and view all the answers

    What is the smallest positive integer that is divisible by both 5 and 2?

    <p>10</p> Signup and view all the answers

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