Factors
What are factors?
Numbers that can be multiplied to equal a product (example: 3 and 2 are factors of 6 because 3 x 2 = 6)
What are multiples?
The product of two numbers (Example: 10 is a multiple of 5 because 5 x 2 equals 10)
He could have 1 group of 10.
He could have 2 groups of 5.
He could have 10 groups of 1.
He could have 5 groups of 2.
What are the factors of 9?
1,3,9
40 is a multiple of 10
True (10 x 4 equals 40)
A composite number ______________________
has more than 2 factors
Josiah shoots 4 three pointers each day. Which of the following is a possible number of three pointers he could have shot after a certain number of days?
14 12 18 22 6
12; 12 is a multiple of 4
What are the factors of 10?
1,2,5,10
41 is a multiple of 2
False ( you cannot multiple 2 by any whole number to get 41)
Is 45 prime or composite?
Composite; 1,45, 5, 9 are its factors.
Because they all have a factor of 5, plus 1 and itself. Example: 45 is composite because I know 1, 45, and 5 are all factors.
What are factors of 35?
1,5,7,35
What are the first five multiples of 4?
4, 8 ,12, 16, 20
Is 13 prime or composite?
Prime, because 1 and 13 are the only factors.
Jessica wants to do a certain number of math problems. Her friend Josh tells her that she can do exactly 6 math problems each day, and be done after a certain number of days. What are some possible number of problems that Jessica completes (the answer must be more than 1 and less than 100)?
6 12 18 24 30 36 42 48 54 60 66 72 78 84 90 96
What are the factors of 17?
1,17
What are the first five multiples of 9?
9, 18, 27, 36, 45
Is 2 prime or composite?
Prime, only 2 and 1 are its factors.
Every even number is composite. True or False? Explain
False (2 is even and is prime)