Question

If n is the sum of first 2020 prime numbers then n is always divisible by which number

Answer 1

Step-by-step explanation:

if n ' is the sum of first 2,020 prime numbers, then 'N' is always divisible by ... Guess the secret number is between 0 and 999999 The sum of three consectutive ...

Answer 2

n is always divisible by none of these if n is the sum of first 2020 prime numbers

Step-by-step explanation:

Complete Question :

If n is the sum of first 2020 prime numbers then n is always divisible by which number

4 , 6  , 8    , none of these

n is always divisible by none of these if n is the sum of first 2020 prime numbers

n is the sum of first 2020 prime numbers

only 2 is the even prime numbers

Hence 2019 numbers will be odd

Sum of two odd numbers is even

sum of two even numbers is even

sum of odd & even number is odd

Hence sum of 2018 = (2 * 1009) odd numbers would be Even

then if 2 is added then

Sum will be even

now if 2020th odd number is added

then sum will be odd

Hence sum of  first 2020 prime numbers will be odd

hence sum of first 2020 prime numbers is not divisible by 2

Hence not divisible by  4, 6 or 8

Hence none of these is right answer

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