Math, asked by DevasyaG9960, 11 months ago

Find the largest cube number less than 2000

Answers

Answered by Dhruv4886
0

The largest cube number less than 2000 is 1000

Given:

Number 2000

To find:

Find the largest cube number less than 2000

Solutions:

A perfect cube number is a number which can be written in the form of a³

Example: 8 = 2³, 27 = 3³  

To find the largest cube number less than 2000

write 2000 as product of its prime factors

2000 = 2 × 2 × 2 × 2 × 5 × 5 × 5

Now group the above factors as triplets

2 × 2 × 2 × 2 × 5 × 5 × 5 = (2×2×2)× 2 × (5×5×5) = 2³ 5³ 2

Here one two is left alone

We need a number which a largest cube but less than 2000

So Remove 2

The cube number = 2³ 5³ = 1000.

The largest cube number less than 2000 is 1000

#SPJ2

Answered by syed2020ashaels
0

Answer:

The answer to the given question is largest cube number less than 2000 is 1000.

Step-by-step explanation:

Given :

A number is given as 2000.

To find:

we have to find the largest cube number less than 2000.

Solution :

The problem is solved by a prime factorisation method.

The cube number is obtained by multiplying the number by itself two times.

A perfect cube number is a number that can be written as x³.

we have to find the factors of 2000 by the prime factorisation method.

2)2000 \\ 2)1000 \\ 2)500 \\ 5)250 \\ 5)50 \\ 5)10  \\2)2 \\  )1

The prime factors of the given number are 2*2*2*2*5*5*5

joining the factors as a triplet, we get the answers as

 {2}^{3}  \times  {5}^{3}  \times 2

only one 2 is left with the power 1.

on ignoring the extra number, we get the value as

 {2}^{3}  \times  {5}^{3}

The value obtained is

(8)(125) = 1000

Therefore, the final answer to the given question is 1000.

# spj5

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