fun with real numbers

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Across
  1. 6. The given composite number can be factories as a product
  2. 7. The use of numbers in a calculation.
  3. 8. The word which comes from the name of 9th century after
  4. 9. a prime number.
  5. 10. It is a proving statement used for proving another
  6. 11. 1,2,3,4,5..... is example of ______ numbers.
Down
  1. 1. HCF * LCM = ______ of the numbers.
  2. 2. It cannot be written in the form of p/q, where p and q
  3. 3. Persian mathematician Al-Khwarizmi.
  4. 4. The father of geometry.
  5. 5. p/q(q not equal to 0)is an example of which no.
  6. 8. integers and q is not equal to 0.