You are given a math word problem and you are supposed to make use of mathematical concepts like probability, combinatorics, linear equations, sequences/series, or simple operators like addition, subtraction, division, or multiplication to answer the given question. Choose the best option from the 5 given options and report that option.

Question: The number 46 can be written as the sum of the squares of 3 different positive integers. What is the sum of these 3 integers?

 Option A: 17

 Option B: 16

 Option C: 15

 Option D: 10

 Option E: 13
Option D

Question: Find the least number by which (59)(36)(17) has to be multiplied to obtain a perfect square?

 Option A: 5

 Option B: 17

 Option C: 85

 Option D: 221

 Option E: 223
Option C

Question: (2^2-1)(2^2+1)(2^4+1)(2^11+1)=

 Option A: 2^19 - 1

 Option B: 2^16 + 1

 Option C: 2^32 - 1

 Option D: 2^128 - 1

 Option E: 2^16(2^16-1

Option A