Divisibility Rules
The number must end in an even number.
What is the Divisibility Rule for 2?
The sum of the digits is divided by 9.
What is the divisibility rule for 9?
The divisibility rule for 2.
What is the last digit 0, 2, 4, 6, 8?
345
What is divisible by 5?
A whole number that has more than two factors.
What is a composite number?
The number must end in 0.
What is the Divisibility Rule for 10?
The sum of the digits is divided by 3.
What is the divisibility rule for 3?
The last digit must end in 0.
What is the divisibility rule for 10?
111
What is divisible by 3?
When a number goes into another evenly.
What is divisible?
=50 has 3 divisibility rules that work.
What are the divisibility rules for 2, 5, and 10?
The last two digits are divided by 4.
What is the divisibility rule for 4?
The last 3 digits are divided by 8.
What is the divisibility rule for 8?
These two rules work for 81.
What is divisible by 3, 9?
A whole number greater than 1 that has exactly two factors.
What is a prime number?
The number must end in 5 or 0.
What is the Divisibility Rule for 5?
The last digit ends in 0, 2, 4, 6, 8.
What is the divisibility rule for 2?
Rule 2 and rule 3 apply.
What is the divisibility rule for 6?
These three rules work for 72.
What is 2, 3, 6?
A composite number can be written as the product of its prime factors after completing this.
What is prime factorization?
When the rules for 2 and 3, then this rule works too.
What is the Divisibility Rule for 6?
The last 3 digits are divided by 8.
What is the divisibility rule for 8?
The last digit is 0 or 5.
What is the divisibility rule of 5?
These 3 rules work for 100.
What is 2, 5 and 10?
Used to easily identify if numbers are divisible
What are Divisibility Rules?