Factors & Primes( Week 34 Evaluation) 1. Find all the factor(s) of 19. Type all the factors separated by ','. 2. Is 77 a composite number? 3. Find all the factor(s) of 8. Type all the factors separated by ','. 4. Find all the factor(s) of 15. Type all the factors separated by ','. 5. Express 45 as a product of prime numbers. Type * for multiplication symbol ×. 6. What is the greatest common factor (GCF) of 7 and 9? 7. What is the greatest common factor (GCF) of 13 and 9? 8. There are 12 pens and 16 pencils that are distributed evenly to a group of students with no pen or pencil left. What is the greatest possible number of students in the group? 9. A teacher brings 86 cards and 82 pencils to the class. The cards and pencils are evenly distributed to all the students and each student get the same number of cards and the equal number of the pencils. No cards and pencils are left. At most, how many students are in the class? 10. What are the factors of 54? Type all the factors separated by ','. |