0
One is not considered a Prime number, because a normal prime number only has two divisors, itself and one. But one only has one divisor- one and itself, which is also one. One is a special case, not prime, not composite.
No, it is the multiplicative identity and neither prime or composite. There was a short period in history when some called it prime--but those years are long gone.
Wiki User
∙ 13y ago
Add your answer:
Earn +20 pts
Why is one not considered prime?
The number one is not prime because it can only be divided by one number (not too) as itself and 1 are the same number
Why is one not considered a prime number?
One is neither prime nor composite. For a number to be prime, it can only be dividable by 2 numbers. One is only divisible by one number, 1.
Is number 1a prime or composite number?
1 is not considered to be a prime or composite number because it has only one factor which is itself.
What is the lowest prime number 0 1 2 3 4 5?
Answer: one Answer: two. In the past, one used to be considered a prime number, but currently most mathematicians don't count it as a prime number.
Whast is the total number of even prime numbers?
sometimes zero is considered a prime, but the number two is usually thought the only one.
Why number one is not considered prime nor composite?
prime number are two factors except 1 and itself
When is a number considered prime?
A number is considered prime if it has only two factors.
Is 13 prime or composite?
13 would be considered a prime number, because it can only be divided by one and itself.
Is there a number that is prime and even?
2 is considered a prime number.
Is one the only whole number that is not prime or composite?
Yes and also 0 is not considered to be composite or prime although it is an even number.
Is one the smallest odd prime number?
No because 1 is not considered to be a prime or a composite number and so therefore it is 3.
Why is it that 2 is the least prime number?
Because 2 has only two factors which are itself and one One is not considered to be a prime number because it has only one factor which is itself
What is the concept of prime factorization to explain why 1 is not a prime number?
A prime number has only two factors which are itself and one whereas a composite number has more than two factors and 1 is not considered to be prime or composite because it has only one factor which is itself.
Is 1 a prime no?
1 is not considered to be a prime or composite number.
Is 3 the smallest prime number?
Two (2) is considered to be the smallest prime number.
Is 2 a prime number?
2 is a prime number because it is only divisible by 1 and itself.Ex:1*2=2It is the only even prime number and the smallest prime number!Yes and 2 is the only even prime number
What are the prime numbers from 1-30?
2 3 5 7 11 13 17 19 23 and 29 A prime number has only two factors and they are itself and one. Number 1 is not considered to be a prime number.
