Across
- 2. Numbers having a last digit of 0, 2, 4, 6, or 8 are always divisible by ______.
- 4. Numbers having a last digit of 0 or 5 are divisible by ______.
- 5. Two numbers that have a GCF of 1.
- 7. The number used to determine the least common denominator of two fractions.
- 8. 2, 5, 7, 11 - not composite but ___________
- 9. This number is neither prime nor composite.
Down
- 1. 27, 6, 10 - not prime but ___________
- 3. The largest common factor of two or more numbers.
- 6. Expression of a number as the product of prime numbers is prime __________.