5.NS.2

Front

What is a multiple of a number?

Back

A multiple of a number is the product of that number and an integer. For example, multiples of 3 include 3, 6, 9, 12, etc.

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. Examples include 2, 3, 5, 7.

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. Examples include 4, 6, 8, 9.

Front

What is an even number?

Back

An even number is an integer that is exactly divisible by 2. Examples include -4, -2, 0, 2, 4.

Front

What is an odd number?

Back

An odd number is an integer that is not exactly divisible by 2. Examples include -3, -1, 1, 3, 5.

Front

What is prime factorization?

Back

Prime factorization is the process of expressing a number as the product of its prime factors. For example, the prime factorization of 12 is 2 x 2 x 3.

Front

What is the prime factorization of 36?

Back

The prime factorization of 36 is 2 x 2 x 3 x 3 or 2^2 x 3^2.

Front

What is the prime factorization of 64?

Back

The prime factorization of 64 is 2 x 2 x 2 x 2 x 2 x 2 or 2^6.

Front

What is the prime factorization of 99?

Back

The prime factorization of 99 is 3 x 3 x 11 or 3^2 x 11.

Front

How can you determine if a number is composite?

Back

A number is composite if it has more than two factors. You can check by dividing it by prime numbers.