Pre-Algebra: Chapter 4 Number Theory Test

Front

What is prime factorization?

Back

Prime factorization is the process of expressing a number as the product of its prime factors.

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 the prime factorization of 104?

Back

Front

Which of the following numbers is prime: 39, 108, 98, 79?

Back

79 is a prime number.

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 using prime factorization?

Back

1. Find the prime factorization of each number. 2. Identify the common prime factors. 3. Multiply the lowest powers of these common factors.

Front

What is the prime factorization of 18?

Back

Front

What is an arithmetic sequence?

Back

An arithmetic sequence is a sequence of numbers in which the difference between consecutive terms is constant.

Front

Find a_26 in the arithmetic sequence: -15, -35, -55, -75, ...

Back

a_26 = -515.

Front

What is the prime factorization of 285?

Back