3
The digit prime number below 10 is 2.
2 and 3, since 2 is the only even prime number.
No. 117 is not a prime number. A prime number is a number you can only divide (to give a whole number) by itself, and one. 117 can be divided by 3 and 39, as well as 1 and 117. Therefore, it is not a prime number.
A prime number has two factors: one and the number itself. When you circle a prime number, you get points for the number, your opponent gets points for the other factor, which is one. 23 is a prime number. You get 23, your opponent gets one. 37 is a prime number. You get 37 points, your opponent gets one.
47 + 7
One is not a prime number. A prime number, by definition, is a number that is only divisible by two numbers: one and itself. One is divisible by only one number, one, and therefore is not a prime number.
No 1 it is not a prime number. The definition of a prime number is that it can only have factors of one and itself. Since one already has one then it can not be a prime number.
Prime factorisation is unique. Any number has only one prime factorisation and any set of prime numbers give only one product.
one is in fact a prime number.
No prime number only has one factor. Each prime number has itself and 1 as factors. Now, the number 1 of course has only one factor, but it is technically not a prime number.
23 is already prime.
1 and 97, when the only factors are one and itself the number is prime