The least integer when multiplied by 2940 becomes a perfect square is ........

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The least integer when multiplied by 2940 becomes a perfect square is

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Explanation:

If we factorize the number 2940 we get 2940= 2×2×3×5×7×7 Now, we can see that 2 & 7 forms a pair, but 3 & 5 are left unpaired. So, if we multiply it by 3 & 5. The pair will get completed and it will become a perfect square. So, 2940×3×5 = 2×2×3×3×5×5×7×7 It is a perfect square. Hence, the number b