Factors
What are the factors of 12?
1, 2, 3, 4, 6, 12
What are the first 6 multiples of 3?
3, 6, 9, 12, 15, 18
What is the only factor of 18 that is a PRIME number?
9
What are the factors of 15 and what are the first 3 multiples?
Factors: 1, 3, 5, 15
Multiples: 15, 30, 45
What is a prime number?
A number with only 2 factors, 1 and itself.
What are the factors of 10?
1, 2, 10, 5
What are the first 8 multiples of 5?
5, 10, 15, 20, 25, 30, 35, 40
How many ARRAYS does 16 have?
(How many PAIRS of factors?)
3
1 x 16, 2 x 8, 4 x 4
What are the factors of 16 and what are the first 3 multiples?
Factors: 1, 2, 4, 8, 16
Multiples: 16, 32, 4
What is a composite number?
A number with more than 2 factors.
What are the factors of 14?
1, 2, 7, 14
What are the first 6 multiples of 6?
6, 12, 18, 24, 30, 36
What numbers are factors of BOTH of 20 and 36?
1, 2 and 4
What are the factors of 22 and what are the first 3 multiples?
Factors: 1, 2, 11, 22
Multiples: 22, 44, 66
Prime or Composite? 29
Prime
What are the factors of 16?
1, 2, 4, 8, 16
What are the first 5 multiples of 12?
12, 24, 36, 48, 60
How many factors does 24 have?
8
What are the factors of 9 and what are the first 6 multiples?
Factors: 1, 3, 9
Multiples: 9, 18, 27, 36, 45, 54
Prime or Composite? 51
Composite
1 x 51
3 x 17
What are the factors of 56?
1, 2, 4, 8, 7, 14, 28, 56
What are the first 3 multiples of 14?
14, 28, 42
Is there a number that is NOT PRIME and NOT COMPOSITE?
YES! The number 1.
What are the factors of 50 and what are the first 6 multiples?
Factors: 1, 2, 5, 10, 25, 50
Multiples: 50, 100, 150, 200, 250, 300,
Prime or Composite? 1,204,566
Composite
(ALL even numbers are COMPOSITE!)
EXCEPTION...