Real Numbers

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Across
  1. 2. A number is — when it cannot be written in p/q form
  2. 3. HCF x LCM = — of the 2 numbers
  3. 5. 9th century Persian mathematician.
  4. 7. p/q ; q = 2^n 5^m
  5. 9. Two numbers with no common factor except 1
  6. 10. Product of smallest power of common prime factors
  7. 11. a=bq+r
  8. 12. GCD is abbreviation for
  9. 14. A proven statement used to prove another statement
  10. 15. Two consecutive prime numbers
  11. 17. Proving a statement by first assuming the contrary
  12. 18. A series of well defined steps
  13. 19. All composite numbers can be expressed as product of its prime factors
Down
  1. 1. First proof of fundamental theory of arithmetic
  2. 3. HCF and LCM both can be found by this method
  3. 4. Product of greatest power of all prime factors
  4. 6. Considered the greatest Greek mathematician
  5. 8. Prince of Mathematicians
  6. 13. p/q ; q = 2^n 5^m
  7. 16. The — of a number is unique except for order of factors