Divisibility Rules and Applications

The video tutorial explains the divisibility of the number 381,000,165 by different numbers. It starts with divisibility by five, then progresses to six, seven, eight, and finally nine, using the first few digits of the number. Each section demonstrates how the number is divisible by the respective number, illustrating a pattern in divisibility rules.

What is the first number that 381,000,165 is divisible by?

• Three

• Five

• Seven

• Nine

Using the first six digits, what is the number divisible by?

• Seven

• Five

• Six

• Four

What is the number divisible by when using the first seven digits?

• Five

• Six

• Seven

• Eight

When using the first eight digits, what is the number divisible by?

• Seven

• Eight

• Nine

• Six

What is the complete nine-digit number divisible by?

• A specific number 'n'

• Ten

• Eleven

• Twelve