0
It has four factors: 1, 2, p, and 2p.
Wiki User
∙ 14y ago
Add your answer:
Earn +20 pts
Why do some of the factor rainbows have an even number of factors and some have an odd number of factors?
Factor rainbows display the prime factors of a given number. Some numbers, Like 27, have an odd number of prime factors. Some numbers, like 81, have an even number of prime factors.
Which odd numbers are not prime numbers?
A prime number is any number that only has one and itself as factors. Therefore, any number that has more than two factors is not prime. Check the the factors of a number to tell if it is prime or not.
What is the smallest number with 3 different odd prime factors?
How about: 105
What is the smallest odd number with four different prime factors?
1155
What is a prime number times a prime number?
A prime number times a prime number is a composite number. Since prime numbers, except for 2, are odd numbers, a prime number times a prime number is usually an odd number. It will only be an even number if one of the prime numbers is 2. A prime number times a prime number will be a number with four factors unless both prime numbers are the same, in which case it will be a square number with only three factors.
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.
Do prime numbers have an odd number of factors?
A prime number has exactly two factors, 1 and the number itself.
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.
Does a prime number have an even or odd number of factors?
Even
Why do some of the factor rainbows have an even number of factors and some have an odd number of factors?
Factor rainbows display the prime factors of a given number. Some numbers, Like 27, have an odd number of prime factors. Some numbers, like 81, have an even number of prime factors.
What types of numbers has an odd number of factors?
Even powers of prime numbers. Square numbers have an odd number of factors.
What is an odd prime number?
Odd numbers end in 1, 3, 5, 7 or 9. Prime numbers have only two factors. 47 is an odd prime number.
Are Every odd number is a prime number?
No because as for example 39 is an odd number but it is also a composite number because it has more than two factors and 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.
When all the prime factors are odd the number is odd?
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.
Will you get the same number of factors if you multiply a prime number and itself?
Prime numbers have two factors. Prime squares have three factors. Square numbers have an odd number of factors but that number varies.
Which odd numbers are not prime numbers?
A prime number is any number that only has one and itself as factors. Therefore, any number that has more than two factors is not prime. Check the the factors of a number to tell if it is prime or not.
