Divisibility Rules and Applications

The video tutorial explains how to determine if the number 6246 is divisible by the numbers 2, 3, 5, and 10 using divisibility rules. It demonstrates that 6246 is divisible by 2 and 3 but not by 5 or 10. The tutorial further reviews divisibility rules for 4, 6, 8, and 9, concluding that 6246 is also divisible by 6 and 9. The video aims to help viewers understand and apply divisibility rules effectively.

Which numbers are we checking for divisibility in the problem?

• 1, 2, 3, and 4

• 2, 3, 5, and 10

• 5, 6, 7, and 8

• 10, 11, 12, and 13

What is the rule for a number to be divisible by 2?

• The number must be a multiple of 5

• The number must end in 1, 3, 5, 7, or 9

• The number must be odd

• The number must end in 0, 2, 4, 6, or 8

What is the sum of the digits of 6246?

• 18

• 22

• 16

• 20

Why is 6246 not divisible by 5?

• It ends in 6

• It is an odd number

• It is a prime number

• It ends in 5

What is the rule for a number to be divisible by 10?

• It must be a multiple of 3

• It must be even

• It must end in 5

• It must end in 0

What are the last two digits of 6246?

• 46

• 26

• 62

• 64

Why is 6246 divisible by 6?

• It ends in 6

• It is divisible by both 2 and 3

• It is a multiple of 4

• It is a prime number

What is the rule for a number to be divisible by 8?

• The number must be even

• The number must be a multiple of 4

• The number must end in 8

• The last three digits must be divisible by 8

What is the rule for a number to be divisible by 9?

• It must be a multiple of 3

• It must be a prime number

• The sum of its digits must be divisible by 9

• It must end in 9

Using all the rules, which numbers is 6246 divisible by?

• 2, 3, 6, and 9

• 2, 4, 6, and 8

• 3, 5, 7, and 9

• 1, 2, 3, and 4