Understanding Factors and Perfect Squares

The video tutorial explores the concept of factors, explaining that a factor is a whole number that divides another whole number evenly. It demonstrates how to find factors using multiplication tables and highlights that numbers with an odd number of factors are perfect squares. The tutorial also covers the definition and properties of prime numbers, emphasizing that a prime number has only two factors: one and itself.

What is a factor of a number?

• A number that is multiplied to get another number

• A number that divides another number evenly

• A number that is added to another number

• A number that is subtracted from another number

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CCSS.4.OA.B.4

Which of the following numbers is a factor of 6?

• 8

• 3

• 7

• 5

Tags

CCSS.4.OA.B.4

What is special about numbers that have an odd number of factors?

• They are perfect squares

• They are multiples of 10

• They are even numbers

• They are prime numbers

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CCSS.6.EE.A.1

Which of the following numbers is a perfect square?

• 8

• 9

• 10

• 12

Tags

CCSS.4.OA.B.4

What defines a prime number?

• A number that is a perfect square

• A number with exactly two factors: one and itself

• A number that is even

• A number with more than two factors

Tags

CCSS.4.OA.B.4