Prime Numbers & Quadrants Test

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 a number?

Back

The prime factorization of a number is the expression of that number as a product of its prime factors.

Front

What is the only even prime number?

Back

The only even prime number is 2.

Front

How do you write coordinates in a Cartesian plane?

Back

Coordinates are written as (x, y), where x is the horizontal value and y is the vertical value.

Front

Find the prime factorization of 108.

Back

The prime factorization of 108 is 2^2 • 3^3.

Front

Write the prime factorization of 45 using exponents.

Back

The prime factorization of 45 is 3^2 • 5.

Front

Find the prime factorization of 81.

Back

The prime factorization of 81 is 3^4.

Front

What is the first step in finding the prime factorization of a number?

Back

The first step is to divide the number by the smallest prime number (2, 3, 5, etc.) until you cannot divide anymore.

Front

What are the coordinates of the origin in a Cartesian plane?

Back

The coordinates of the origin are (0, 0).

Front

What is the difference between a prime number and a composite number?

Back

A prime number has exactly two distinct positive divisors (1 and itself), while a composite number has more than two positive divisors.