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Get Answers to all your Questions
What is the least number by which 2940 must be multiplied to get a perfect square
Answers (1)
By prime factorization method
2940 = (2x2)x3x5x(7x7)
If prime factors of a number are grouped in doubles of equal factors, then it is a perfect square.
Hence the least number 15(3x5) shuold be multiplied to get the perfect square.
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