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no, first Prime number is 2 NASA considers 1 a prime number, since it has no whole number factors except for itself. Check this : http://en.wikipedia.org/wiki/Prime_number 1 is not a prime number Okay, it is 2, but 1 used to be taught as the first prime number, back when Pluto was recognized as the ninth planet. Outdated info again. Sorry.
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First odd prime number?
The first odd prime number is 3, not 1, because 1 has only 1 factor, 1, while prime numbers must have 2 factors, 1 and itself.
What is the 12 prime number?
If the question refers to the first 12 prime numbers then they are :- 2,3,5,7,11,13,17,19,23,29,31 and 37. Note that 1 is not regarded as being a prime number and 2 is the only even prime number.
Is 1 the lowest prime number?
No; 1 is not a prime number. The lowest prime number is 2.
Can 1 be a prime factor of a number?
No - as 1 is not a prime number.
Why 0 and 1 are not a prime number?
0 and 1 is not prime number because the prime number can only be divided by the number 1 and itself.
Is 10 the first prime number?
No, ten is not the first prime number or a prime number at all. A prime number is a number with only two factors, 1 and itself. Since ten has 2 and 5 as factors as well as 1 and 10, it is not a prime number. 1 by definition is usually considered not a prime number, so 2 is the first prime number
First odd prime number?
The first odd prime number is 3, not 1, because 1 has only 1 factor, 1, while prime numbers must have 2 factors, 1 and itself.
In mathematices Which number is the first prime number?
The number two is the first prime number, factors are 1 and itself. One doesn't count.
What does 2 is the f p mean?
2 is the First Prime - the first prime number. A prime number is one which can only be divided by itself and 1.
First prime number?
The first prime number is 2. If you're wondering why 1 is not prime, well, probably because you cannot break a number down if you divide it by 1. When it comes to prime factorization, if you bring 1 into it, the number you start with will stay the same (e.g., If you star a "prime factorization tree" for 100 and start off with 1, you will still have 100. You do not "grow" another "branch.")
Define prime numbers?
A prime number is a number in the set of positive integers such that it is only divisible by 2 unique numbers: itself, and 1. For this reason the first prime number is 2, not 1.
is the number 1 a prime number?
no 1 is not a prime number
What is the 12 prime number?
If the question refers to the first 12 prime numbers then they are :- 2,3,5,7,11,13,17,19,23,29,31 and 37. Note that 1 is not regarded as being a prime number and 2 is the only even prime number.
How do you figure out what a prime number?
Well, lets first ask, What is a Prime Number? A Prime Number is a number that can only be multiplied by 1 and itself. So how do you find out what is a prime number? This is an example of a prime number:17. Try to multiply numbers and see if you get 17. You won't. 17 can only be multiplied by 1 and itself. So that's why it is a prime number. Pick a number in the future and try to multiply to it. If you don't get that number as an answer, its a prime number, if you get it as an answer, it is NOT a prime number.
Is 1 the lowest prime number?
No; 1 is not a prime number. The lowest prime number is 2.
What numbers is prime number?
A prime number is a number that is only divisible by itself and 1. 1 is NOT a prime number.
A number that can be divided evenly only by 1 and itself is called?
A prime number. Strictly speaking, a prime number is required to have exactly two distinct factors, namely 1 and itself. The number 1 has only one [distinct] factor (1 = 1 x 1 - only 1 factor: 1) and so 1 is not a prime number; the first prime number is 2 (2 = 1 x 2 - two factors: 1 & 2).
