Savvas Lessons 3-1 to 3-3 Review

Front

What is the GCF (Greatest Common Factor)?

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 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 does it mean to write a number as a power?

Back

Writing a number as a power means expressing it in the form of a base raised to an exponent, indicating how many times to multiply the base by itself.

Front

What is 7 x 7 x 7 written as a power?

Back

7^3

Front

What is the first step in evaluating the expression 3^3 + 4 * [5^2 - (4 - 1)]?

Back

The first step is to evaluate the expression inside the parentheses: 4 - 1.

Front

What is the prime factorization of 24?

Back

The prime factorization of 24 is 2^3 * 3.

Front

What is the prime factorization of 30?

Back

The prime factorization of 30 is 2 * 3 * 5.

Front

How do you determine if a number is prime or composite?

Back

To determine if a number is prime, check if it has exactly two distinct positive divisors: 1 and itself.