امتحان

Which number is not a facto r of 10?

1

2

4

3

5

4

2

تصحيح

Relatively Prime Numbers: are numbers whose only common Facto r is ....

1

number itself

2

integer number

4

1

تصحيح

Which pair of numbers has a GCF of 15?

1

21, 45

2

45, 75

3

10, 15

4

30, 60

تصحيح

The prime facto r ization of 91 is ……..

1

7x 21

2

13 x8

3

23 x7

4

13 x 7

تصحيح

The common Multiple of all numbers (except zero) is zero.

1

True

2

False

تصحيح

Write the prime facto r ization of 42 =....

1

2 ⋅ 5 ⋅ 7

2

2 ⋅ 3 ⋅ 7

3

2 ⋅ 3 ⋅ 6

تصحيح

The GCF of 12 a nd 56 is ……..

1

4

2

8

3

12

4

10

تصحيح

Write a pair of numbers whose greatest common facto r is 4

1

(16 ,8 )

2

(24 ,18 )

3

(16 ,20 )

4

(12 ,24 )

تصحيح

The common facto r of all numbers is .....

2

3

1

تصحيح

The LCM fo r any relatively prime numbers is their …….

1

division

2

sum

3

product

4

subtraction

تصحيح

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