Numbers

1234567
Across
  1. 2. the least whole number is
  2. 3. every whole is number is
  3. 5. the least prime number is
  4. 7. product of two rational number are
Down
  1. 1. the number✓2 is
  2. 4. rational and irrational number are
  3. 6. the least natural number is