Understanding Prime and Composite Numbers

The video tutorial explains the difference between prime and composite numbers. Prime numbers have only two factors: one and itself, while composite numbers have additional factors. Examples are provided using numbers like 4, 5, 30, and 31 to illustrate these concepts. An interesting fact is shared that 2 is the only even prime number. The video concludes with a reminder to be kind.

What is the main difference between prime and composite numbers?

• Prime numbers have more than two factors.

• Composite numbers have only one factor.

• Prime numbers have exactly two factors.

• Composite numbers have no factors.

Which of the following is a rule for identifying a composite number?

• It is divisible by more than two numbers.

• It is not divisible by any number.

• It is always an odd number.

• It has only one factor.

Why is the number 4 considered a composite number?

• It is only divisible by 1.

• It is not divisible by any number.

• It is divisible by 1 and 4 only.

• It is divisible by 1, 2, and 4.

What makes the number 5 a prime number?

• It is divisible by 1, 3, and 5.

• It is only divisible by 1 and 5.

• It is not divisible by any number.

• It is divisible by 1, 2, and 5.

Which of the following numbers is a composite number?

• 30

• 29

• 23

• 31

Why is the number 31 considered a prime number?

• It is divisible by 1, 2, and 31.

• It is only divisible by 1 and 31.

• It is divisible by 1, 3, and 31.

• It is not divisible by any number.

What is unique about the number 2 in terms of prime numbers?

• It is the largest prime number.

• It is not a prime number.

• It is the only even prime number.

• It is the only odd prime number.

Which statement is true about even numbers?

• Only the number 2 is an even prime.

• Even numbers have no factors.

• All even numbers are composite.

• All even numbers are prime.

What is the definition of a composite number?

• A number with more than two factors.

• A number with exactly two factors.

• A number with no factors.

• A number with only one factor.

What should you remember about kindness according to the video?

• Kindness divides kindness.

• Kindness adds kindness.

• Kindness multiplies kindness.

• Kindness subtracts kindness.