Multiples and 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 a composite number?

Back

A composite number is a natural number greater than 1 that has more than two positive divisors.

Front

How many factors does the number 31 have?

Back

31 has 2 factors: 1 and 31, making it a prime number.

Front

Is the number 9 a prime number?

Back

No, 9 is not a prime number because it has divisors other than 1 and itself (1, 3, and 9).

Front

What is 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.

Front

Is 40 a multiple of 5?

Back

Yes, 40 is a multiple of 5 because 40 can be expressed as 5 x 8.

Front

What is the relationship between factors and multiples?

Back

Factors are numbers that divide another number evenly, while multiples are the result of multiplying a number by an integer.

Front

What is the smallest prime number?

Back

The smallest prime number is 2.

Front

Can a prime number be even?

Back

Yes, the only even prime number is 2; all other even numbers are composite.