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Can you Compare the number of factors of a prime number to the number of factors of a square number?
Prime numbers have two factors. Prime squares have three factors. Square numbers have an odd number of factors but that number varies.
Why can odd numbers be a prime number?
odd and prime are two different things ,but odd numbers can be prime or composite just depends if you can multiply it with another number except 1 here's an example 7 ( 7 is odd and is prime because it has 2 factors "7 & 1" 15 is odd ,but not prime because 5x3 is 15 and 15x1 is 15 5 and 3 are factors of 15 so all odd numbers are not prime all even numbers are composite except the number 2.
What is an odd number that has 3 prime factors?
105 is one such.
What type of number has an odd number of factors and what are they?
Prime squares have three factors: the number, the square root and one.
What is the smallest odd number having four different prime factors?
1155
Is the odd number are prime?
Not all of them because 39 is an odd number that is not a prime number because it has more than two factors whereas prime numbers have only two factors.
Will a prime number always have an odd numbers of factors?
All prime numbers have only 2 factors which are themselves and one. Al prime numbers are odd numbers except for 2 which is the only even prime number.
Are all odd numbers prime numbers?
No because 2 is an even number which is also a Prime number that has only two factors which are itself and one.
What is an easy way to generate numbers with an odd number of factors?
Start with the factors. Multiply combinations of three prime factors, then combinations of five, then seven, etc. All generated numbers will be guaranteed to have an odd number of prime factors.
Why are all the prime numbers are odd numbers?
All prime numbers are not odd numbers. 2 is an even prime number, and it is the only even prime number because all other even numbers have 2 as one of their factors.
Do prime numbers have an odd number of factors?
A prime number has exactly two factors, 1 and the number itself.
Are most prime numbers odd?
Almost all prime numbers are odd. The number 2 is an exception, it is the only even prime number. Prime numbers are numbers which are evenly divisible only by themselves, and the number 1. Which is to say, they have no factors. So when factoring a number, the smallest factors are prime numbers. Any numbers that are not prime have factors. Prime number: A whole number only divisible by itself and 1. Odd number: A whole number that does not have a factor that is 2.
Does a prime number have an even or odd number of factors?
Even
Can you Compare the number of factors of a prime number to the number of factors of a square number?
Prime numbers have two factors. Prime squares have three factors. Square numbers have an odd number of factors but that number varies.
Why can odd numbers be a prime number?
odd and prime are two different things ,but odd numbers can be prime or composite just depends if you can multiply it with another number except 1 here's an example 7 ( 7 is odd and is prime because it has 2 factors "7 & 1" 15 is odd ,but not prime because 5x3 is 15 and 15x1 is 15 5 and 3 are factors of 15 so all odd numbers are not prime all even numbers are composite except the number 2.
Can odd numbers be composite?
If an odd number has more than two factors then it is a composite number but if it has only two factors then it is a prime number. Although all prime numbers are odd except for 2 many more odd numbers are composite numbers having more than two factors as for example 21 is an odd number whose factors are 1, 3, 7 and 21.
Is every odd number a prime number?
Kind of. The only prime number that is even is 2.
