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They are the only integers in that range with exactly two factors.

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10y ago

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What would be a prime number between 30 and 40?

There are two prime numbers between 30 and 40 - these are 31 and 37.


What would you prefer odd numbers or prime numbers?

Prime numbers.


Even prime numbers between 30 and 50?

wow good one. even and prime.... that would leave "2"


Are most prime numbers also odd numbers?

All prime numbers are odd numbers. If one were even, it would be divisible by two and would, therefore, not be prime.


What is the prime factors for numbers 849033451201111200500?

If you would be so kind as to put spaces between the numbers, we'd be better able to answer.


Explain why none of the prime numbers end in a 5 except for itself?

This is because if the number ends in a five, then it inherently is divisible by 5. This means that it inherently would not be a prime number.


What does 'relatively prime' mean?

'Relatively Prime' simply means that two numbers have no common factors except 1 between each other. For example, two prime numbers would have no common factors between them. i.e., look at 3 and 10. There are no common factors between these 2 numbers.


What are the prime factors of the numbers from 1 to 15000?

The set of prime factors of the numbers from 1 to 15,000 would be the set of prime numbers between 1 and 15,000. The link below has a list of the first 10,000 prime numbers, so if you take the primes less than 15,000, you will have the set of prime factors of the first 15,000 numbers. For prime factors of individual numbers, check the related question, "What are the prime factors of the numbers from 1 to 200?" Also check for WikiAnswers questions in the form of "What are the prime factors of __?" and "What are the factors and prime factors of __?"


What are two prime numbers that if multiplied would generate a 400-digit number?

Any two prime numbers, of about 200 digits each, would work.Any two prime numbers, of about 200 digits each, would work.Any two prime numbers, of about 200 digits each, would work.Any two prime numbers, of about 200 digits each, would work.


Prime numbers between 180-220?

For this kind of question, I would suggest looking up a table of prime numbers. As an alternative, you can try to find factors for each of the numbers - if it has a factor, it is NOT a prime. For this range of numbers, testing for prime numbers up to 13 is appropriate. (If 17 is a factor of one of these numbers, the other factor is less than 17, so you would already have found it before you reach 17.)


Is it that 3 consecutive whole number can be prime factors Explain?

3 consecutive numbers cannot be prime factors. Any three consecutive numbers would include at least one even number. The only even prime number is 2, and (2,3,4) doesn't qualify.


What is the connection between Euclid and prime numbers?

Euclid (c. 300 BC) was one of the first to prove that there are infinitely many prime numbers. His proof was essentially to assume that there were a finite number of prime numbers, and arrive at a contradiction. Thus, there must be infinitely many prime numbers. Specifically, he supposed that if there were a finite number of prime numbers, then if one were to multiply all those prime numbers together and add 1, it would result in a number that was not divisible by any of the (finite number of) prime numbers, thus would itself be a prime number larger than the largest prime number in the assumed list - a contradiction.