Factors
What are the factors of 12?
1,2,3,4,6,12
The first three multiples of 7 are these.
7,14,21
This number, 9, is classified as this type of number
composite
This number, 12, is the GCF of 24 and what other number
This is the LCM of 4 and 5
20
Find all the factors of 36
1,2,3,4,6,9,12,18,36
The multiples of 5 end with this digit
5 and 0
The only even prime number is this
2
The GCF of 30 and 45 is this number
15
The LCM of 6 and 8 can be calculated as this number
24
If a number has exactly two distinct factors, it must be this type of number
Prime
What is the smallest multiple of 9 greater than 20?
27
True or False: All prime numbers are odd
false
Find the GCF of the numbers 56 and 98
14
Find the LCM of 9 and 12
36
Find the common factors of 20 and 30.
1,2,5,10
A number is divisible by 6 if it meets the criteria for divisibility by both these numbers
2 and 3
Identify a prime number between 10 and 20.
11,13,17, or 19
Find the GCF of the numbers 24, 36, and 60
What is the least common multiple of 3, 4, and 5
60
If a number is a factor of 100, it must be less than or equal to this number.
100
Is 45 674 divisible by 3? Explain why.
No, the digits 4+5+6+7+4 = 26 which is not divisible by 3, so therefore the number is not.
What is the Prime Factorization of 30 (Factor tree)
2 x 3 x 5
Identify the GCF of 25 and 100.
25
True or False: The LCM of two prime numbers is their product.
True