The GCF of 12 and 56 is ……..
12
8
10
4
The prime factorization of 91 is ……..
13 x8
7x 21
23 x7
13 x 7
Write the prime factorization of 42 =....
2 ⋅ 3 ⋅ 6
2 ⋅ 5 ⋅ 7
2 ⋅ 3 ⋅ 7
Which pair of numbers has a GCF of 15?
21, 45
30, 60
10, 15
45, 75
Which number is not a factor of 10?
5
1
2
The common factor of all numbers is .....
0
Write a pair of numbers whose greatest common factor is 4
(16 ,20 )
(24 ,18 )
(12 ,24 )
(16 ,8 )
Relatively Prime Numbers: are numbers whose only common Factor is ....
integer number
number itself
The common Multiple of all numbers (except zero) is zero.
True
False
The LCM for any relatively prime numbers is their …….
division
subtraction
product
sum