2,3,5,7,11,13,17, and19
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The sum of all prime numbers less than ten is 17. Pick a number 18 or higher.
Prime numbers are numbers that are divisible by themselves and 1. 1 itself is not regarded as a prime number. With the exception of 2, all prime numbers are odd numbers. Applying this gives the following prime numbers less than 25 :- 2,3,5,7,11,13,17,19 and 23.
To find prime numbers less than 100, the sieve of eratosthenes filters out 1 and all multiples of 2, 3, 5, and 7. All remaining numbers less than 100 are primes.
The sum of all prime numbers less than one hundred is 1104.
All of these numbers are prime numbers that are less than thirty: 2, 3, 5, 7, 11, 13, 17, 19, 23, 29