1. Which set of numbers are multiples of 7?
A. 7, 10, 15, 20, 25 C. 7, 14, 21, 28, 35
B. 7, 11, 15, 19, 23 D. 7, 15, 22, 29, 36
2. What is the Greatest Common Factor of 10 and 35?
A. 3 B. 4 C. 5 D. 6
3. How is 12 written as a product of its prime factors?
A. 2 x 2 x 3 B. 2 x 4 x 5 C. 2 x 3 x 3 D. 3 x 2 x 3
4. These are numbers with two factors, 1 and itself.
A. Composite Numbers C. Multiples
B. Factors D. Prime Numbers
5. Write 24 as a product of its prime factors.
A. 2 x 2 B. 2 x 2 x 3 C. 2 x 2 x 3 D. 2 x 2 x 2 x 3
6. What is the greatest common factor of 12 and 18?
A. 3 B. 6 C. 9 D. 12
7. It is the smallest number of the common multiples.
A. Composite B. GCF C. LCM D. Numbers
8. What is the least common multiple of 8 and 3?
A. 3 B. 12 C. 24 D. 32
9. Which of the following are the factors of 15?
A. 2 and 5 B. 3 and 5 C. 4 and 5 D. 5 and 5
10. The pupils of Don Vicente Rama Memorial Elementary School collected
used plastic bottles for recycling. They arranged the bottles in boxes of 5
and 6. What is the least number of bottles the pupils gathered in all?
A. 10 B. 20 C. 30 D. 40