Least Common Multiple

Front

What is the Least Common Multiple (LCM)?

Back

The Least Common Multiple (LCM) of two or more integers is the smallest positive integer that is divisible by each of the integers.

Front

How do you find the LCM of two numbers?

Back

To find the LCM of two numbers, you can list the multiples of each number and find the smallest multiple that they have in common.

Front

LCM(12, 6) = ?

Back

12

Front

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

Back

20

Front

LCM(3, 8) = ?

Back

24

Front

LCM(12, 8) = ?

Back

24

Front

What is the Least Common Multiple of 4 and 14?

Back

28

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 in the factorizations.