joecheeramkuzhi4514 joecheeramkuzhi4514
  • 21-07-2022
  • Mathematics
contestada

Find the sum of the primes between 100 and 200, inclusive, that are 1 or 2 more than a perfect square.

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bwtf bwtf
  • 21-07-2022

Answer:

298

Step-by-step explanation:

All perfect squares from 100-200 inclusive:

100, 121, 144, 169, 196

100+1=101, 101 is prime

121+2=123, 123=41*3 so its not prime

144+1=145 145=29*5 so its not prime

169+2=171 171=9*19 so its not prime

196+1=197, 197 is prime

101+197=298

Notice that I excluded all even numbers because they are obviously composite.

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