Across
- 3. A NATURAL NUMBER HAVING ONLY TWO FACTORS
- 4. A NUMBER HAVING TERMINATING DECIMAL EXPANSION
- 7. ALL COUNTING NUMBERS TOGETHER WITH ZERO
Down
- 1. SMALLEST COMPOSITE NUMBER
- 2. THE SET OF RATIONAL NUMBERS TOGETHER WITH THE SET OF IRRATIONAL NUMBERS
- 5. SMALLEST PRIME NUMBER
- 6. A NUMBER WHICH IS NEITHER PRIME NOR COMPOSITE