Factors, Prime Factors & Highest Common Factors(HCF) - Call List

(Print) Use this randomly generated list as your call list when playing the game. There is no need to say the BINGO column name. Place some kind of mark (like an X, a checkmark, a dot, tally mark, etc) on each cell as you announce it, to keep track. You can also cut out each item, place them in a bag and pull words from the bag.

1. Find the HCF of 48 and 60.
   12
2. Find the HCF of 18 and 30.
   6
3. List the prime factors of 35.
   5,7
4. What is the prime factor of 169?
   13
5. List all prime factors of 60.
   2,3,5
6. What is the largest factor of 18?
   18
7. What is the HCF of 8 and 15?
   1
8. Find the prime factor of 121.
   11
9. Tiles: Largest square tile for a 45m x 60m floor.
   15
10. Find the HCF of 16 and 40.
    8
11. Cut 10m and 12m ribbons into equal longest pieces.
    2
12. List the prime factors of 12.
    2,3
13. 20 apples and 35 pears shared equally. Max people?
    5
14. Which factor of 20 is missing: 1, 2, __, 5, 10, 20?
    4
15. 18 blue and 27 red pens in equal sets. Max sets?
    9
16. List the prime factors of 50.
    2,5
17. List the prime factors of 14.
    2,7
18. Find the HCF of 30, 70, and 100.
    10
19. Find the HCF of 21 and 49.
    7
20. List the prime factors of 15.
    3,5
21. List a factor of 32 that is between 10 and 20.
    16
22. List all the factors of 9.
    1,3,9
23. How many factors does the number 4 have?
    3
24. Find the HCF of 28 and 70.
    14