The next 5 prime nubers are 5, 7, 11, 13, and 17.
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The prime numbers from 1 - 5 are 2, 3, and 5.
multiply these prime numbers together to get your answer
The prime numbers (factors) of 405 are: 3 and 5
average of first five prime numbers = 5.6 first five prime numbers = 2, 3, 5, 7, 11average = sum of first prime numbers/5= (2 + 3 + 5 + 7 + 11)/5= 28/5= 5.6
no, not all prime numbers are closed under addition. why? because, when you add 2 prime numbers you will not always get a prime number. example: 5+3= 8 5 and 3 are prime numbers but their sum is 8 which is a composite number..