Prime vs Composite
Which number is prime?
1, 4, 5
5
What does GCF stand for?
Greatest Common Factor
What is the Greatest Common Factor of 2 and 4?
2
What is the prime factorization of 4?
2 x 2
What is the product of 28 and 13?
364
Which number is composite?
2, 3, 4
How do we find the GCF?
Find all factors by using a factor tree and circle the number that is the largest that each number has in common.
What is the Greatest Common Factor of 5 and 13?
1
What is the prime factorization of 16?
2 x 2 x 2 x 2
What is the quotient of 175 and 6?
29 R1
Which number is not prime?
7, 9, 11
9
How do you simplify a fraction?
Divide Numerator and Denominator by the GCF.
What is the Greatest Common Factor of 10 and 30?
10
What is the prime factorization of 60
2 x 2 x 3 x 5
What is the quotient of 295 and 12?
24 R7
Which number is not prime?
51, 61, 71
51
What is the definition of a prime number?
A number that only has two factors.
What is the Greatest Common Factor of 16 and 20
4
What is the prime factorization of 48?
2 x 2 x 2 x 2 x 3
What is the product of 179 and 58?
10,382
Which number is not composite?
27, 63, 81, 97
97
What is the definition of a composite number?
A number has more than 2 factors.
What is the Greatest Common Factor of 48 and 60?
12
What is the prime factorization of 71?
1 x 71
What is the quotient for 2250 and 8
281 R2