Yes. 17 is a proper factor of 34.
The answer is 13.
2
4
11
A proper 2-digit number (which must be smaller than 100) cannot be twice a 10-digit number (which must be larger than 999,999,999).
Even.
To find the largest 2-digit number that is a factor of 3375, we need to factorize 3375 into its prime factors. 3375 can be expressed as 3^3 * 5^3. To find the largest 2-digit number that is a factor, we need to consider the factors that are multiples of both 3 and 5. The largest 2-digit number that fits this criteria is 75, which is 3 * 5^2.
1 out of 2
10, 20, 25, 50
65
2 is a prime number and has no factors other than 1 and itself.
27