Question

The product of the greatest $2$-digit prime number and the lowest $2$-digit prime number is _______.

• A. $1,287$
• B. $99$
• C. $1,069$
• D. $1,067$

Answer 1

The correct option is D $1,067$

• Greatest $2$-digit prime number $=97$
• Lowest 2-digit prime number $=11$
• Product of 97 and $11$ $=97\times 11=1,067$

Hence, the product is $1,067$.