Real Numbers

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