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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 __?"
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Numbers with only 2 factors are called?
Numbers having only 2 factors are prime numbers. Their only factors are 1 and themselves. Prime numbers. The only two factors should be 1 and itself.
Does 293 have any factors?
Answer For YOU!293 is a prime number and prime numbers are numbers that are divisible by itself and 1. Rember 1 is not a prime number.1 is not prime because a prime number has to factors 1 and itself but one is its self there for it only has one factor.Correct! 293 is a PRIME number. Its factors are 293 and 1. If you are looking of prime factors, it is not here.
What numbers have just two factors?
Prime numbers have only two factors, 1 and themselves, so only prime numbers could have only two factors
What numbers have an HCF of 1?
An HCF is the product of any common prime factors of two numbers. If two numbers have no common prime factors, then the HCF will be 1. For example, 10 and 21. The prime factors are 2x5 and 3x7. There is nothing in common, and so the HCF of 10 and 21 is 1. Two consecutive numbers will always have the HCF of 1.
Is 89 prime or composite?
A prime number has only 2 factors which are 1 and itself. Composite numbers are everything else except 1 and 0. 1 and 0 are neither prime, nor composite. 89 is prime.
