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Can Prime numbers ever be an even number?
Yes, but there is only one - the number 2.
Is the product of two prime numbers ever a prime number explain?
A prime number has exactly two factors, 1 and the number itself. 1 is not a prime number, and the product will be a composite number if any other prime is used as a factor and multiplied by another prime.
Will the product of any prime numbers greater than one but less than twenty ever be prime?
No. If you multiply two prime numbers, any prime numbers, the result will - by definition - not be a prime number. For example, if you multiply 2 x 3, the result will obviously be divisible by 2 and by 3, and therefore, not be a prime number. By the way, one is not usually considered a prime number.
Who gave the method of finding out prime numbers?
No one has ever discovered the mathematical pattern for prime numbers and all that is known about them is that each prime number has only 2 factors which are itself and one.
Can prime numbers other than 2 and 5 ever be 3 apart?
No, there are no other even prime numbers. And an odd number + or - 3 is always even Ward
Can prime numbers be equal?
How can 2 prime numbers ever be equal They cant be Equal.
Can a prime number ever have composite factors?
No because all of a prime numbers factors are 1 and itself. therefore it cannot have composite factors
Does a prime number multiplied by a prime number ever result in a prime number?
No.
Can the sum of two odd prime numbers ever be prime?
No.
What is the product of the last two composite numbers?
There are no two "last" composite numbers. Just as with prime numbers, and all numbers, they go on for ever and ever and ever and ever ... ... .
Where can you use prime numbers?
In every math problem you can ever do you can use prime numbers. 1+3 Both prime numbers. Most numbers are not prime but prime numbers only become a broblem when you try to factor them like in simple algebra.
Can prime numbers other than 2 and 5 ever be 3 apart and how?
No. For two integers to have a difference of 3, one must be odd and one must be even. The only even prime number is 2. That means the only pairs of prime numbers that have a difference of 3 must be 2 and another number. The only numbers that could have a difference of 3 are -1 and 5. Since -1 is not a prime number, that is not a pair that meets this description. Since 5 is a prime number, the pair of 2 and 5 is the only possible pair of prime numbers that can have a difference of 3.
