Shruti Hegde
from
Mount Litera Zee school, Bengaluru

Subject :IMO Class : Class 8

Find the number of prime factors of

A4

B7

C3

D5

the right answer for this should be 7, and not 3... could anyone explain why the answer for this is 3?

## Ans 1:

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Hari Bhaskar
from
bgs, JP Nagar 7th Phase

Class : Class 6

the solution of the equation is 3*3*5*5*5*2*7 which has seven prime factors

## Ans 2:

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Aman Sumod
from
Chinmaya Vidyalaya, KANNUR

Class : Class 8

The answer is 4. There are 4 prime factors: 2,3,5 and 7

## Ans 3:

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## Ans 4:

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Angshu
from
Dehli Public School Bangalore East, Bangalore

Class : Class 8

The answer should be (A) 4.There are four factors, i.e. 2,3,5,7. Even the solution says so. Please correct the error.

## Ans 5:

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Pranav
from
Ganges valley school, Hyderabad

Class : Class 8

The answer is 3.
When you solve the equation you get 3*3*1*1*2*14/1*1*1.
Now we see that the prime numbers left are 3,3 and 2.
Therefore there are 3 prime numbers.

## Ans 6:

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## Ans 8:

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Pranav
from
Ganges valley school, Hyderabad

Class : Class 8

The answer is 3.
When you solve the equation you get 3*3*1*1*2*14/1*1*1.
Now we see that the prime numbers left are 3,3 and 2.
Therefore there are 3 prime numbers.

## Ans 9:

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Ayush Gorain
from
Sarala Birla Public School, Ranchi

Class : Class 8

The answer should be option (A) = 4. There are 4 prime factors, i.e. 2, 3, 5 and 7. The solution contradicts the question's answer.