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Q: What is the sum of the first 5 composite numbers?

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The sum of 5 composite numbers can be either composite, or prime, depending on the case.

The sum first Prime number is (2 + 3 + 5 + 7 + 11 + 13 + 17 + 19 + 23 + 29 ) = 129 The sum of the first composite numbers is (4 + 6 + 8 + 9 + 10 + 12 + 14 + 15 + 16 + 18) = 112 The difference is 129 - 112 = 17 !!!!!

The sum of the first 5 numbers is 15. 1+2+3+4+5=15

The sum of the first two prime numbers is 5.

The sum of the first prime numbers is 5 Because the first prime numbers are 2 & 3. Thus , 2 + 3 =5 The sum is 5 I hope you understand my reason for my answer. By grade 4 th student byeee

32+33+34+35+36 (31 is a prime number) = 170

The first five prime numbers are 2,3,5,7,11. The sum of the first five prime numbers is 28.The sum is: 2+3+5+7+11 = 28

2 composite numbers whose prime factorization have a sum of 10 are 30 (2+3+5=10) and 21 (3+7=10).

The sum of the first 100 even numbers is 10,100

The first three odd numbers are 1, 3, and 5. Their sum is 1 + 3 + 5 = 9.

it is 5

Not always, for example 2 + 3 = 5 where 5 is also a prime number.

6

If that's the first five, the sum is 28.

The sum of all the first 100 even numbers is 10,100.

The sum of any two prime numbers may or may not be prime. The sum of the two prime numbers 2 and 3 is the prime number 5, and the sum of the two prime numbers 5 and 7 is the composite number 12.

88

4, 226, 208, 1810, 1612, 14The sum of each pair is 26 and both the numbers in a given pair are composite numbers.=======================The answer to the question is: 5

The first five prime numbers are 2, 3, 5, 7, 11. The sum of these five numbers is 28.

1+1+1+1+1+=5 * * * * * The question did not ask for the sum of the first counting number five times! The sum of the first 5 counting numbers is 1+2+3+4+5 = 15. Such sums are known as triangular numbers.

the sum of the first three numbers is 1 + 3+5= 9

9801 * The sum of the first two odd numbers (1+3) is 4, or 22 * The sum of the first three odd numbers (1+3+5) is 9, or 32 * The sum of the first four odd numbers (1+3+5+7) is 16, or 42 * ...and so on So the sum of the first 99 odd numbers, using the pattern above, would be 992 or 9801.

4,6,8,9,10

The first 5 composite numbers are 4, 6, 8, 9, and 10. 4 + 6 + 8 + 9 + 10 = 37, so their average is 37/5, or 7.4.

Seven of them.

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