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Q: Is 43 a prime or composite nunber?

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43 is prime. 32 is composite.

NO. 400 is not prime.400 is a composite number because it is even so definitely it has other factors aside from 1 and itself which is 2.

817 is not a prime, 817=19*43

33 has the factors ,3, & '11' ; it is composite 43 has no factors ; it is a prime number 63 has the factors 3,7,9,21 ; it is composite.

no, we have 7*43=301No. It is composite.

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Composite.

43 is prime. 32 is composite.

43 is prime.

43 is prime; 39 is composite.

43 is a prime 33 is composite

43 is prime.

They are all composite numbers except 43 which is a prime number

301 is not prime. 301 = 7 * 43

It is a prime number.

91 is a Composite Number.

43 is prime. It is only evenly divisible by itself and one.

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.