prime and composite numbers

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 has more than two positive divisors.

Front

Is the number 1 a prime number or a composite number?

Back

Neither; 1 is not considered a prime or composite number.

Front

What are the first five prime numbers?

Back

2, 3, 5, 7, 11.

Front

What are the first five composite numbers?

Back

4, 6, 8, 9, 10.

Front

How can you determine if a number is prime?

Back

A number is prime if it cannot be divided evenly by any other numbers except for 1 and itself.

Front

What is the relationship between even numbers and composite numbers?

Back

Not all even numbers are composite; for example, 2 is an even prime number.

Front

List the factors of the number 12.

Back

1, 2, 3, 4, 6, 12.

Front

What is the definition of a factor?

Back

A factor is a whole number that can be divided evenly into another number.

Front

What is a multiple?

Back

A multiple of a number is the product of that number and an integer.