Multiples & LCM( Week 49 Practice)
1. What is the smallest natural number that is divisible by both 6 and 16? 2. Express 385 as a product of prime numbers. Type * for multiplication symbol ×. 3. A postage can be bought with all 10-cent stamps. It can also be bought with all 15-cent stamps or with all 2-cent stamps. What is the least possible amount for the postage in cents? 4. A positive integer can be divisible by 4, 5, and 6. What is the least possible value for the number? 5. Write down the first 5 common multiples of 3 and 7. Separate each number with a comma.