Prime factors

Q.

Express 35 as product of their primes

1. $3\times 5\times 7$

2. $1\times 11\times 5$

3. $3\times 5\times 7$

4. $5\times 7$

Q.

Choose the correct option.

1. 105 = 3 × 5 × 7

2. 625 = 5 × 5 × 5 × 5 × 5

3. 162 = 2 × 3 × 3 × 3 × 3 × 7

4. 72 = 2 × 2 × 2 × 3 × 3 × 3

Q.

The prime factorization of a number is given as 3×3×11×101. Which of the following is correct about the number.

1. It is an odd number.

2. It is the largest 4 digit number.

3. Both A & B

4. None of the above