Home > Pre-Algebra calculators > Nth root of a number using prime factorization method example

6. Nth root by prime factorization method example ( Enter your problem )
  1. Example-1
Other related methods
  1. Square of a number
  2. Cube of a number
  3. Nth Power of a number
  4. Square root by prime factorization method
  5. Cube root by prime factorization method
  6. Nth root by prime factorization method
  7. Square root by long division method
  8. Cube root by long division method
  9. Babylonian method for Square root
  10. Babylonian method for Cube root
  11. Find the smallest number which must be Added / Substracted / Multiplied / Divided to 180 to make it perfect Square / Cube
  12. Find Least number of 4 digits which is a perfect Square

5. Cube root by prime factorization method
(Previous method)
7. Square root by long division method
(Next method)

1. Example-1





1. Find 4th root of 10000 using prime factorization method

Solution:
First find factors of 10000
210000
25000
22500
21250
5625
5125
525
55
 1


`10000 = 2 × 2 × 2 × 2 × 5 × 5 × 5 × 5`

`10000 = 2^4 * 5^4`

`root (4)(10000) = root (4)(2^4 * 5^4)` (Taking 4th root)

`= 2 × 5`

`= 10`
2. Find 4th root of 4096 using prime factorization method

Solution:
First find factors of 4096
24096
22048
21024
2512
2256
2128
264
232
216
28
24
22
 1



`4096=2 xx 2 xx 2 xx 2 xx 2 xx 2 xx 2 xx 2 xx 2 xx 2 xx 2 xx 2`

`4096=2^12`

Taking 4th root
`:. root (4)(4096)=root (4)(2^12)`

`=2^3`

`=8`

`:.` 4096 is a perfect `4^(th)` power
3. Find 3rd root of 64 using prime factorization method

Solution:
First find factors of 64
264
232
216
28
24
22
 1



`64=2 xx 2 xx 2 xx 2 xx 2 xx 2`

`64=2^6`

Taking cuberoot
`:. root (3)(64)=root (3)(2^6)`

`=2^2`

`=4`

`:.` 64 is a perfect cube




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5. Cube root by prime factorization method
(Previous method)
7. Square root by long division method
(Next method)





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