- Read each question carefully. Choose the letter of the correct answer
1. What are the common factors of 16 and 247
A. 1,2,4,8
B. 1,6,8,16,24
2. Anna has 8 guavas and Lourdes has 14 guavas. If they will give some guavas to their group mates, what is the
C. 1,3,12,16,24 D. 1,4,8
greatest number of guavas that each group mate will get if each of them gives the same number of guavas?
A. 8
B. 7
C. 2
D. 1
3. lan and Isagani went fishing, lan caught 21 fish and Isagani caught 28 fish. What is the greatest number of fish each
could catch per hour, if they caught the same number of fish per hour?
A. 8
B.7
C. 2
D. 1
4. The GCF of 15 and 25 is ?
A. 3
B. 15
C.5
D. 30
5. What is the Greatest Common Factor of 54 and 72?
A. 18
B.6
C. 3
D. 9
6. What is the GCF of 120 and 1607
A. 60
B. 20
C. 40
D. 80
7. What is the GCF of 2 x 2 x 3 x 5 and 2 x 3 x 3 x 57
A. 20
B. 30
C. 40
D.50
8. Determine the GCF of 2 x 2 x 7 and 2 x 3 x 7
A. 7
B. 2
C. 14
D. 21
9. Eggs are sold in trays of 4 and 6. What is the smallest number of eggs that can be sold using the trays?
A. 4
B. 6
C. 8
D. 12
10. Ferdie works as a food crew every three days, while Angel attends to her job as a cashier every other day. If Ferdie
and Angel start on the fifth day of the month, when will both of them report for work together?
A. 8
B. 9
C. 10
D. 11
11. Pencils are packed in boxes of 8 and 12. What is the smallest number of pencils that can be packed using the boxes?
A. 48
B. 24
C. 16
D. 8
12. Tell the LCM of 10 and 15.
A. 60
B. 90
C. 20
D. 30
13. Give the least Common Multiple of 18 and 6?
A. 6
B. 18
C. 3
D. 36
14. Find the first three common multiples of 16 and 87
A. 1,2,4
B. 16,32,48
C. 2,4,8
D. 8,16,24
15. The common multiple of 4 and 20 is
B. 4
A. 3
C. 8
D. 20​