Prime Factorization, GCF and LCM

Front

What is the definition of a prime number?

Back

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

Front

What is the definition of a composite number?

Back

A composite number is a natural number greater than 1 that has more than two positive divisors.

Front

What is the prime factorization of 12?

Back

2 x 2 x 3

Front

What is the prime factorization of 30?

Back

2 x 3 x 5

Front

What does GCF stand for?

Back

GCF stands for Greatest Common Factor, which is the largest number that divides two or more numbers without leaving a remainder.

Front

What does LCM stand for?

Back

LCM stands for Least Common Multiple, which is the smallest multiple that is exactly divisible by two or more numbers.

Front

What is the GCF of 18 and 24?

Back

6

Front

What is the LCM of 4 and 5?

Back

20

Front

Is 1 a prime number?

Back

No, 1 is not a prime number or a composite number.

Front

List the first five prime numbers.

Back

2, 3, 5, 7, 11