Show:
Prime or Composite
Factors
Greatest Common Factor
Mystery
100
Prime or Composite: 87
What is composite?
100
Factors of 12.
What are 1, 2, 3, 4, 6, 12?
100
What is the GCF for 15 and 40.
What is 5?
100
This is why 14 is not a prime number.
What is it has the factors 1, 2, 7, and 14?
200
Prime or Composite: 53
What is prime?
200
Factors of 15.
What are 1, 3, 5, 15?
200
What is the GCF of 30 and 42.
What is 6?
200
There are 8 factors for 30.
What are 1, 2, 3, 5, 6, 15, 30?
300
Prime or Composite:17
What is prime?
300
Factors of 42.
What are 1, 2, 3, 6, 7, 14, 21, 41
300
What is the GCF of 50 and 75.
What is 25?
300
There are 6 factors for 32.
What are 1, 2, 4, 8, 16, and 32?
400
This is why 42 is a composite number.
What is 42 can be divided by more than 1 and itself. Must say one of these math facts. 2 x 21 3 x 14 6 x 7
400
Factors of 36.
What are 1, 2, 3, 4, 6, 9, 12, 18, and 36.
400
What is the GCF of 12 and 24.
What is 12?
400
It is the greatest common factor for 16 and 40.
What is 4?
500
This is why 5 is prime.
What is 5 can only be divided by 1 and itself?
500
Factors of 75.
What are 1, 3, 5, 15, 25, and 75?
500
What is the GCF of 30 and 70.
What is 10?
500
This is what 9/27 can be reduced to.
What is 1/3?