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Q: Sum of 1st 25 prime no?

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The sum of the first 25 prime numbers is 1,060.

The sum of the first two prime numbers is 5.

23 + 2 = 25

2 + 23 = 25

They are: 23+2 = 25

The sum of prime numbers between 1 and 25 is 100. 2 + 3 + 5 + 7 + 11 +13 +17 + 19 + 23 = 100

The sum of the 25 primes less than 100 is even (it is 1060).The first prime number is 2. Every other prime number is odd.So, of the 25 primes less than 100, one is even and 24 are odd.Any two odd numbers sum to an even number. Therefore, an even number of odd numbers has an even sum. So the sum of 24 odd numbers is even.Therefore, the sum of the 25 primes less than 100 is even.

34

16+25 = 41 which is an odd number and also a prime number

It is: 4+9+25+49+121 = 208

what prime numbers have the sum of 54

Not true. 12 + 22 = 1 + 4 = 5 which is a prime. Or 42 + 52 = 16 + 25 = 41, also a prime.