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Even numbers greater than 2 can't be prime.

Multiples of 5 greater than 5 can't be prime.

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9y ago

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Related Questions

How do you tell prime numbers without finding the factors?

There are lists of them online.


What are products of prime numbers?

Products of prime numbers are composite numbers.


Who developed a system for finding prime numbers?

There is no known system for finding prime numbers.


How can you find the GCF of a given set of numbers given their LCM but without listing the factors of the numbers?

By finding their common prime numbers.


What numbers cannot be written as products of prime factors?

Prime numbers.


How do you answer prime factorization?

by finding the prime numbers up to 100


What are the products of three different prime numbers?

Since there are infinitely many prime numbers there are infinitely many sets of three prime numbers and so there are infinitely many products.


Why are people so fascinated by finding new prime numbers?

In part because the problem of finding large prime numbers isn't exactly trivial.


How is prime factorization different from finding factors of a number?

All numbers have factors. Some factors are prime numbers, some are composite numbers, one is neither. When finding the factors of a number, you find all the factors. The prime factorization is a multiplication string of just prime factors that will total the given number.


Can you predict the number of factors of any number by writing the prime factorization using exponents then adding one to the exponent and then finding the products of these numbers?

Yes.


What would have only 2 branches when finding the prime factorization?

We can't answer this accurately without knowing what "the following" numbers were. In general, prime factorizations with two branches result fro numbers that are the product of two primes.


Are there infinitely many natural numbers that are not prime?

This can be an extension to the proof that there are infinitely many prime numbers. If there are infinitely many prime numbers, then there are also infinitely many PRODUCTS of prime numbers. Those numbers that are the product of 2 or more prime numbers are not prime numbers.