LCM and GCF

125

200

25

123

2

4

3

8

addition

multiplication

division

subtraction

All the multiples will be odd

On a number line, it will be every 5 spaces

All the multiples will be even

2 is a prime number so there is only 2

there are only 2 factors, 1 and the number itself

you can have any number of factors

a prime factor is the number multipled over and over again

prime numbers are only odd numbers

2

16

3

8

3

18

90

49

1, 2, 3, 4, 6, 9, 18

18, 36, 54, 72 ...

1, 2, 3, 5, 6, 9, 18

1, 2, 3, 6, 9, 18

2, 5, and 10

2 and 4

1, 2, and 4

1,2, 4, and 20

the common denomintor would be 1, since it's a common factor

the common denomonitor would be 12, since it's the LCM

the common denominator can not be determined

you don't need a common denominator