Rules For Factoring
Rules For Factoring
Rules For Factoring
Factor
Example
SKIP COUNTING
428
28 is a multiple of 4, so 4 is a
factor of 28
115, 320, 445, 900
642 had 2 as a factor b/c it is even &
has 3 as a factor because 6+4+2=12,
which is a multiple of 3
Is 7 a factor of 42?
7,
14, 21, 28, 35, 42
Yes,
because I landed on 42
10
11
12
Is 12 a factor of 60?
12, 24, 36, 48, 60
Yes, because I landed on 60