CHAPTER 6 BE MY MULTIPLE, I WILL BE YOUR FACTOR (SET-2)

Questions in this test

1. Which of the following pairs of numbers have at least a common multiple of 56?
2. Which pair of numbers has the greatest common factor of 1?
3. A number that has more factors than one and itself or a number that has more than two factors. For example, 8 has factors 1 and 8, but it also has factors 2 and 4.
4. Which number is neither a prime nor a composite number?
5. The greatest number that will divide 37, 50, 123 leaving the remainder 1, 2, and 3 respectively is
6. The smallest 4-digit number exactly divisible by 12, 15, 20 and 35 is _______
7. Find the smallest whole number that is divisible by 10 and 12.
8. Which of the following are not multiples of 2?
9. Stamps in an album can be arranged as 12 per page or 18 per page exactly. What is the greatest number of stamps one can have if they are fewer than 500?
10. What is the L.C.M of two co-prime numbers?