Question

The number of zeros at the end of the product of all the prime numbers between 1 and 1111 is :

• A. 222
• B. 21
• C. can't be determined
• D. none of these

Answer 1

The correct option is D none of these

There is no other prime no. ending with 5 as unit digit, except one '5'
2*5= 10 gives the one and only zero in the product of all prime nos.
so, The number of zeros at the end of the product = 1