GCF and LCM

Front

What is the GCF (Greatest Common Factor)?

Back

The GCF is the largest number that divides two or more numbers without leaving a remainder.

Front

What is the LCM (Least Common Multiple)?

Back

The LCM is the smallest number that is a multiple of two or more numbers.

Front

How do you determine if a number is composite?

Back

A composite number has more than two factors.

Front

What is a prime number?

Back

A prime number is a number greater than 1 that has no positive divisors other than 1 and itself.

Front

What is the prime factorization of 64?

Back

2 x 2 x 2 x 2 x 2 x 2 (or 2^6).

Front

How do you find the GCF of two numbers?

Back

List the factors of each number and identify the largest factor they have in common.

Front

How do you find the LCM of two numbers?

Back

List the multiples of each number and identify the smallest multiple they have in common.

Front

Is 4 a composite number?

Back

Yes, 4 is a composite number because it has factors 1, 2, and 4.

Front

Is 7 a prime number?

Back

Yes, 7 is a prime number because its only factors are 1 and 7.

Front

What does it mean for a number to be divisible by another number?

Back

A number is divisible by another if dividing them results in a whole number with no remainder.