Factors
What is the definition of a factor?
A number that is multiplied with another number
True or False, the factors of a prime number can be anything except 1 and itself?
False, the only factors of a prime number are 1 and itself.
What is a factor tree used to find?
The prime factors that make up a number
What does GFC stand for?
Greatest Common Factor
When a number is even, we can simplify it by dividing by what number?
2
Where can you find factors on a multiplication chart?
All over!
Which numbers are prime numbers in the following set:
5,6,12, 29, 14, 13, 2, 7
5, 29, 13, 2, 7
What is the first question you can ask yourself when factoring a number?
Is it positive or negative?
Describe what the "Greatest Common Factor" means
The biggest/largest number two numbers share in common/are the same
T or F, When simplifying fractions- we only have to make it a little smaller?
False, when simplifying, we want to make the fraction as small as it can possibly be.
When a number is even, it can always be divided by....
2
2, 2, 2, 3
T or F, the prime factors of 9 are 3 and 3?
True!
When do we use GCF?
When simplifying equations, especially fractions.
True or False: 4/8 is the simplest form of 8/16?
False, 1/4 is the simplest form of 8/16
Any number ending in 5 or 0 can always be divided by....
5
What are the prime factors of 64
2,2,2,2,2,2
True or false, you should always circle your prime numbers in a factor tree?
What is the GCF of 12 and 24?
12!
True or False, 1/2 is equivalent (equal to) 12/24
True! The both equal half
True or False, Factors can be both positive and negative?
True!
What are the Prime factors of 115
5, 23
When do you know you are done with a factor tree?
When all the numbers at the bottom are prime numbers.
What is the GCF of 21 and 81?
3
1/7