43 is prime. It is only evenly divisible by itself and one.
They are all composite numbers except 43 which is a prime number
43 is a prime number. A prime number has only 2 factors which are 1 and itself. Composite numbers are everything else except 1 and 0. 1 and 0 are neither prime, nor composite.
prime: 31, 37, 41, 43, 47 composite: the others
35, 14 and 3543 are composite. 3 and 43 are prime.
NO A composite number can be divided by 1, itself, and 1 or more numbers. A prime numbers can only be divided by 1 and itself.
43 is prime. 32 is composite.
38 is a composite number because composite numbers are numbers that have more than 1 and themselves as factors. 1x38 is not the only solution, so it isn't prime. One solution for this could be 2x19
43 is prime.
Of these, 45 is the only composite number. All the others are prime.
Including 40 and 50 there are 8 composite numbers because 41, 43 and 47 are prime numbers.
43 is prime; 39 is composite.
A prime number has only 2 factors which are 1 and itself. Composite numbers are everything else except 1 and 0. 1 and 0 are neither prime, nor composite. 43 is a prime number.