23 is already prime.
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.
No it can be divided by 2, 10, 5, and other numbers. A prime number can only be divided by 1 and itself (integers) and give a whole (integer) answer.
A Prime (or a Prime Number) is any whole number that cannot be divided by any other number except itself and 1, without a remainder. For example, 12 is not a prime number because it can be divided by, 1, (to give the answer 12), 2 (to give 6), 3 (to give 4), 6 (to give 2) and 12(to give 1). However 13 IS a Prime Number as it can only be divided by 1 (to give the answer 13) and 13 (to give 1).
A Prime number is a number which can only be divided by 1 and it self to give an integer answer. From the list above the prime numbers would be 1, 3, 7, 11 & 19
A prime number is one which cannot be evenly divided by any prime number 61 ÷ 2 = 30 +1 61 ÷ 3 = 20 +1 61 ÷ 5 = 12 +1 61 ÷ 7 = 8 + 5 As the square root of 61 lies between 7 and 8, there is no need to take the division further than this... any prime number which might have divided it would give a result lower than the number we have already tried. So, yes! 61 is a prime number.
47 + 7
Because 2 is a prime number and 2 added to any other prime number will give an odd result.
Here are the prime numbers between 10 and 30: 11, 13, 17, 19, 23, 29 Prime numbers are those numbers which cannot be divided to give an integer result except when divided by themselves or by 1.
if divide the prime numbers by the compositenumber it will give you a greater number that is either a prime number or composite.
3
3*85
The digit prime number below 10 is 2.