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Find the number of common factors of 2× 9× 73 and 2× 9× 7.
  • a)
    30
  • b)
    60
  • c)
    120
  • d)
    42
Correct answer is option 'B'. Can you explain this answer?
Verified Answer
Find the number of common factors of 27× 92× 73and 25&time...
H.C.F of 2× 9× 73 and 2× 9× 7 = 2× 3× 7
∴ Number of common factors = (5 + 1) × (4 + 1) × (1 + 1) = 6 × 5 × 2 = 60
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Most Upvoted Answer
Find the number of common factors of 27× 92× 73and 25&time...
The prime factorization of 27 is 3^3. The exponents represent the powers to which each prime factor appears in the factorization. In this case, the prime factor 3 appears three times.

To find the number of factors, we add 1 to each exponent and multiply the results.
(3+1)*(0+1)*(0+1) = 4*1*1 = 4

Therefore, there are 4 factors of 27.
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Find the number of common factors of 27× 92× 73and 25× 94× 7.a)30b)60c)120d)42Correct answer is option 'B'. Can you explain this answer?
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