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Just do the additions. Or, if you want a shortcut, use the formula for an arithmetic series.
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There are 25 prime numbers less than 100 is their sum even or odd?
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.
What is the sum of the even numbers less than thirty?
210
Which is the sum of the positive even numbers less than 878?
It is 192282.
What are the sum of all the even numbers less than 30?
It is 210.
What is the sum of the even numbers that are greater than 10 but less than 20?
Sixty.
What is the sum of the composite numbers that are less than 8?
The sum of the composite numbers that are less than 8 is: 4+6 = 10
What is the sum of all the prime numbers less than 201?
The sum of all the prime numbers less than 201 is 4,227.
What is the sum of the two largest prime numbers less than 71?
The sum of the two largest prime numbers less than 71 is 128.
What is the sum of the three greatest prime numbers that are less than 39?
The sum of the three greatest prime numbers that are less than 39 is 97.
What is the sum of all of the prime numbers less than ten?
The sum of the prime numbers less than 10 is2 + 3 + 5 + 7 = 17
From zero to 16 is all the odd numbers the sum of even numbers?
If this question means "in the interval 0 to 16 inclusive, is the sum of the odd numbers the same as the sum of the even numbers ?" then the answer is no. The sum of the even numbers is eight more than the sum of the odd ones.
How many even integers greater than 2 and less than 20 are equal to the sum of two prime numbers?
Seven of them.
