Question

find the sum of all prime number from 20 to 80​

Answer 1

Answer:

the answer is 714

Step-by-step explanation:

23+29+31+37+41+43+47+53+59+ 61+67+71+73+79 =714

Answer 2

Hey there! Here is your answer with a complete step-by-step solution

Answer:

Sum of all the prime numbers from 20 to 80= 667

Step-by-step explanation:

Prime numbers from 20 to 80 are

23, 29, 31, 37, 41, 43, 47, 53, 59, 61, 67, 71, 73, 79

Sum of all the prime numbers from 20 to 80

= 23 + 29 + 31 + 37 + 41 + 43 + 47 + 53 + 59 + 61 + 67 + 71 + 73 + 79

= 667

Therefore Sum of all the prime numbers from 20 to 80 = 667

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