Multiples & Factors( Week 7 Evaluation) 1. Express 125 as a product of prime numbers. Type * for multiplication symbol ×. 3. There are a group of students lining up in rows. There are no students left if the students line up with 4 students in a row. There are also no students left if the students line up with 6 students in a row. At least how many students are there? 4. A whole number has at least the following factors: 4, 6, and 8. What is the smallest value of the whole number? 5. A box of pencils can be distributed equally among 4, 5, 6, or 7 children with no pencils left. What is the smallest number of pencils that the box could have? 6. What is the least common multiple (LCM) of 20 and 25? 8. 18 apples are to be divided into equal piles. There are more than 1 but less than 18 apples in each pile. How many ways could the apples be divided? 9. If a class of children is separated into groups of 5 children, 1 child will be left over. If the class is separated into groups of 7 children, 3 children will be left over. At least how many children are in the class? 10. Type all the multiples of 8 between 100 and 299 with the digits sum of each number also being a multiple of 8. Note that separate two numbers with a comma. |