Definitions
Numbers that have exactly two factors: 1 and itself
Prime Numbers
6, 18
6
24
2*2*2*2
2^4
2/8
1/4
What is another way to write the term Greatest Common Factor? (Shorter way)
GCF
The largest of the common factors of two or more numbers
Greatest Common Factor
54, 36
18
71
1*71
5/30
1/6
Mary had 2 pieces of pizza. It was cut into 16 square pieces. What was the simplified fraction?
1/8
Fractions that have the same value
Equivalent fractions
4, 20, 24
2
22mx
11*2*m*x
78/130
3/5
What are two methods of finding Greatest Common Factor?
Prime Factorization and Factor Rainbow
A whole number greater than 1 that has more than two factors
Composite Number
32, 48
16
32x^3y
2*2*2*2*2*x*x*x*y
2^5*x^3*y
99/132
3/4
What are two methods of finding the simplified fraction?
Divide by common factors and Divide by the Greatest Common Factor.
When the numerator and denominator of a fraction have a GCF of 1
Simplest Form
128, 66, 50
2
Mrs. Tinman brought cookies to the school. She had 186 cookies total. What is the prime factorization of the amount of cookies?
2*2*3*7
2^2*3*7
Nathaniel works as a cashier with another coworker. Work was busy today and he took 114 customers out of the 282 that checked out. Simplify this fraction.
114/282
57/141
Tony is 5 ft and 6 inches and his friend Steve is 6 ft and 2 inches. Find the simplified fraction of the height of Tony in comparison to Steve.
33/37