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What odd numbers are prime numbers?
Well i'm in 5th grade and i'm only learning about 1-100 prime factors...so here are the odd 1's from 1-100...3,57,11,13,,17,19,23,29,31,41,47,51,53,59,61,67,71,79,83,89,97:]
What types of numbers has an odd number of factors?
Even powers of prime numbers. Square numbers have an odd number of 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.
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 all prime numbers between C and 100 are odd?
All prime numbers are odd except for 2 which is the only even prime number
What percent of prime numbers from 0-150 are odd numbers?
All of them. 100%. All prime numbers are odd numbers. (The exception being the number 2)
Why do all odd numbers have more prime factors?
They don't. 21 has two prime factors. 42 has three 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.
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.
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.
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.
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.
