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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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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
When you multiply two prime numbers the result is always a composite number?
That is correct.
Is the sum of two composite numbers also composite?
Not always as for example 20+9 = 29 which is a prime number
Is every number in the nineties composite or prime what the correct?
The only prime number in the 90s is 97. So out of ten numbers one is a prime number and the remaining nine numbers are composite numbers. So 90s comprises of both prime numbers and composite numbers.
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
Are all composite numbers the product of two prime number?
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?
Yes
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.
To find a composite number why divide by prime numbers?
You could try dividing by composite numbers but the number that you are testing is divisible by a composite number, then it will be divisible by a prime factor of that composite number and that prime factor will be smaller. It is always easier to work with smaller numbers.
Can you change composite numbers to prime numbers?
No, You can't change a composite number to prime number.
Name the two composite numbers that are prime?
No composite numbers are prime. A composite number is a number that can be made by multiplying other numbers. A prime number is made only by one and itself. Therefore no number can be both prime and composite
Does the prime factorization of any composite number include prime and composite numbers?
Prime factorization never includes a composite number. All numbers in prime factorization must be prime numbers.
When you multiply two prime numbers the result is always a composite number?
That is correct.
Is 308 a prime or composite number?
it is a composite number because you can tell from the 8 that it is an even number, and even numbers can always be divided.
Prime is writing a composite number as a product of prime numbers?
Prime factorization is writing a composite number as a product of prime numbers.
