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The sum of any two prime numbers is not always a composite number. The sum of 2 and 11 is 13, and 13 is a Prime number, not a composite number.

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โˆ™ 2012-05-20 12:46:30
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Q: Is the sum of any two prime numbers always a composite number?
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Related questions

When is product of 2 prime numbers a prime number?

The product of two prime numbers is always a composite number, and it never is a prime number.


Why will a prime number times a prime number always equal a composite number?

the two prime numbers will be factors of that number, which would make that number a composite number


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no. There is a prime number and a composite number. Therefor, all prime numbers are not composite.


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No not always because composite numbers can be the product of 2 or more prime factors


Is the product of 2 prime numbers always a composite number?

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No, You can't change a composite number to prime number.


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No prime number is a composite number, by definition.


Is 76 composite or prime?

76 is a composite number. All even numbers, except for 2, are always going to be composite. A prime number is a number that can only be multiplied by 1.


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Is 18 prime or composite?

composite The number 18 is a composite number. It is a composite number because composite numbers are whole numbers that have three or more factors.


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