find the smallest number by which 59400 must be multiplied to make the product a perfect cube. also find the cube root of the product.
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Answered by
4
Given :
59400
To find :
- Smallest Number by which given number must be multiplied to make the product a perfect cube.
- Cube root of product (new Number)
Method used :
- First of all find prime factor of given number
- Then make group of prime factor such that each group contain Same number 3 time { example (2×2×2) }
- Then multiply the given number by Number whose pairs can't be formed { like 5 } , so to make a group of 3
Solution :
Part 1 :
Prime factor -
59400 = 2 × 2 × 2 × 3 × 3 × 3 × 5 × 5 × 11
59400 = (2×2×2) × (3×3×3) × (5×5) × (11)
So , we should multiply by , (5 × 11 × 11 )
New Number = 59400 × 605
New number = 35937000
Part 2 :
Cube root of new Number
35937000 = (2×2×2) × (3×3×3) × (5×5×5) × (11×11×11)
ANSWER :
- 605
- 330
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3
Answer:
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