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Is 82 divisible by 2?
Yes!
Can 33 be divided by 9?
No because 3+3=6 and 6 cannot be divided by 9.
Is 3,550 divisible by 5, 10, or both?
Both. It ends in a 0
What number can be divided by 74?
2
What numbers can divide 345?
3 and 9
What is the divisibility rule for 2?
The last number is even.
Is this number prime or composite?
5
Prime
Is this number prime or composite?
18
Composite
Is this number prime or composite?
7
Prime
Is this number prime or composite?
19
Prime
What is a prime number?
A prime number is a number that only has one set of factors. Such as 3- 3 X 1
What is a composite number?
A number that has more than one set of factors. 4- 1 X 4, 2 X 2
What is the prime factorization for the number 25?
5^2 or 5X5
What is the prime factorization for the number 20?
2^2 X 5 or 2 X 2 X 5
What is the prime factorization for the number 100?
2 X 2 X 5 X 5 or 2^2 X 5^2
What is the prime factorization for the number 18?
2 X 3 X 3
