find the least number by which when 5*15*21*14 is multiplied it becomes a perfect square?
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Answer:
It should be multiplied with 2
Step-by-step explanation:
When we do the prime factorization of 5×15×21×14
we get 5×5×3×3×7×7×2
Every number is repeating itself twice but 2 is only not repeating itself twice..
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