Prime Factorization
Number of factors a prime number has
2
LCM for 5 and 10
10
GCF of 16 and 24
8
13 is a composite or prime?
Prime
What is the prime factorization of 24?
2 2 2 3
LCM of 4 and 9
The GCF of 14 and 21
7
If a number has more than two factors, it is prime/ composite
composite
The highest even prime number is
2
The LCM of these two numbers are 21
3 7
True or False: a GCF can be smaller than the two numbers
The biggest 1-digit prime number is
7
Between numbers 1-10, there are two numbers that have 3 factors, which are
4 and 9
The LCM of 3, 4, and 6
12
Two smallest numbers that have a GCF of 4 are
4 and 8
The highest 2 digit composite number
99
This number has the prime factors of 2,2,3,5. What is it?
60
True or false: LCM of 3 numbers are always even
False
ex. LCM of 3, 9, 27= 27
GCF of 12, 22, and 24 is
2
False