Homework Practice

Homework Practice

Printable assignment

Finding Common Ground Practice 2: HCF and LCM and Prime and Composite Numbers

Concept Check

Question 1mcq

Is 35 prime or composite?

A.composite

B.prime

C.neither prime nor composite

D.always even

Question 2mcq

Is 29 prime or composite?

A.composite

B.prime

C.neither prime nor composite

D.always even

Question 3mcq

Is 35 prime or composite?

A.prime

B.neither prime nor composite

C.composite

D.always even

Question 4mcq

Is 29 prime or composite?

A.composite

B.neither prime nor composite

C.prime

D.always even

Question 5mcq

Is 35 prime or composite?

A.prime

B.neither prime nor composite

C.always even

D.composite

Question 6mcq

Is 29 prime or composite?

A.prime

B.composite

C.neither prime nor composite

D.always even

Apply and Solve

Question 7mcq

Find the HCF of 19 and 25.

A.1

B.44

C.6

D.475

Question 8mcq

Find the HCF of 20 and 27.

A.47

B.1

C.7

D.540

Question 9mcq

Find the HCF of 21 and 29.

A.50

B.8

C.1

D.609

Question 10mcq

Find the LCM of 20 and 26.

A.46

B.6

C.260

D.2

Question 11mcq

Find the LCM of 21 and 28.

A.49

B.7

C.84 with a calculation error 3

D.84

Question 12mcq

Find the LCM of 22 and 30.

A.330

B.52

C.8

D.2