Step Diagram

Q. What will be the exponents of all the prime factors of $1728$? Evaluate using step diagram method.

1. Exponent of $2$ is $6.$
2. Exponent of $2$ is $3.$
3. Exponent of $3$ is $3.$
4. Exponent of $3$ is $6.$

Q. How many prime factors of $462$ are there which are greater than $5$?

1. $2$
2. $3$
3. $4$
4. $5$

Q. Choose correct step diagram for finding prime factors of $56$.

1. 
2. 
3. 
4. All of the above.

Q. Which of the following is correct step diagram of $72$?

1. 
2. 
3. 
4. None of the above.

Q. Evaluate prime factorisation of $729$ using step diagram method.

1. $3\times 3\times 3\times 3\times 3\times 3$
2. $3\times 3\times 3\times 3\times 3$
3. $3^6$
4. $3^5$