You already have some done, and they all are correct. We can finish the ones that you havven't completed.
Q1: Your answer is correct.
Q2:11 is a prime number, so it can't get divided and have a whole number (other by itself and one). So, the answer is
or
Q3:Your answer is correct.
Q4: Your answer is correct.
Q5:5 and 7 are prime numbers. So, the answer is
Q6:11 is a prime number. So, the answer is
Q7: 11 and 7 are prime numbers. So, the answer is
or
Q8: 35 can be divided by 7 5 times. So, the answer is
Q9:7 and 5 are prime numbers. So, the answer is
or
Q10: 7 and 11 are prime numbers. So, the answer is
Hope this helps!!