Chapter 4 Part 1 QUEST

Front

What does it mean for two numbers to be relatively prime?

Back

Two numbers are relatively prime if their greatest common factor (GCF) is 1.

Front

What is 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 a composite number?

Back

A composite number is a natural number greater than 1 that is not prime, meaning it has more than two positive divisors.

Front

What is the definition of the number 1 in terms of prime and composite?

Back

The number 1 is neither prime nor composite.

Front

How can you determine if a number is divisible by 5?

Back

A number is divisible by 5 if it ends in 0 or 5.

Front

What is the greatest common factor (GCF)?

Back

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

Front

How do you find the GCF of two numbers?

Back

To find the GCF, list the factors of each number and identify the largest factor they have in common.

Front

What is the prime factorization of a number?

Back

The prime factorization of a number is expressing it as a product of prime numbers.

Front

Can a prime number be even?

Back

Yes, the only even prime number is 2.

Front

What is the relationship between prime numbers and composite numbers?

Back

All composite numbers can be expressed as a product of prime numbers.