Least Common Multiple

Front

What is the Least Common Multiple (LCM)?

Back

The Least Common Multiple (LCM) of two or more numbers is the smallest multiple that is exactly divisible by each of the numbers.

Front

How do you find the LCM of two numbers?

Back

To find the LCM of two numbers, list the multiples of each number and find the smallest multiple that appears in both lists.

Front

LCM(3, 8) = ?

Back

24

Front

Find the least common multiple (LCM) of 4 and 6.

Back

12

Front

LCM(5, 10) = ?

Back

10

Front

Find the least common multiple (LCM) of 10 and 20.

Back

20

Front

What is the LCM of 3 and 4?

Back

12

Front

What is the relationship between LCM and GCD (Greatest Common Divisor)?

Back

The relationship is given by the formula: LCM(a, b) = (a * b) / GCD(a, b).

Front

What is the LCM of prime numbers?

Back

The LCM of two or more prime numbers is simply their product.

Front

How can you use prime factorization to find the LCM?

Back

To find the LCM using prime factorization, factor each number into primes, then take the highest power of each prime that appears.