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Is 43 a Prime Number?

Is 43 a Prime Number? "Yes, 43 is a prime number." A number can be classified as prime or composite depending on the factors it contains; it could either have only 2 factors or more than 2 factors. Numbers like 1103 with only 2 factors, i.e. 1 and 1103 are called prime numbers. However, numbers like 260 with more than 2 factors are called composite numbers. Let us find out how and why is 43 a prime number?

Is 43 a prime number? - Yes
Is 43 a composite number? - No
Factors of 43 - 1, 43
Is 43 a perfect square? - No
Prime Factors of 43 - 43

Yes, 43 is a prime number. The number 43 is divisible only by 1 and the number itself. For a number to be classified as a prime number, it should have exactly two factors. Since 43 has exactly two factors, i.e. 1 and 43, it is a prime number.

Is 43 a Prime or Composite?

How is 43 a Prime Number?

To understand whether 43 is composite or prime, it is important to find its factors.

Factors of 43: 1, 43

Therefore, we can say that 43 is a prime number since it has only 2 factors.

☛ Prime Number Calculator

Is 43 a Composite Number?

No, since 43 has only two factors, i.e. 1 and 43. In other words, 43 is not a composite number because 43 doesn’t have more than 2 factors.

Problem Statements:

Is 43 a Prime Number?	Yes
Is 43 a Composite Number?	No
Is 43 a Perfect Square?	No
Is 43 a Perfect Cube?	No
Multiples of 43	43, 86, 129, 172, 215, 258, 301, 344, 387, 430
Is 43 an Odd Number?	Yes
Square Root of 43	6.557439
Cube Root of 43	3.503394
Is 43 an Even Number?	No

Fun Facts:

Euler discovered a polynomial n² + n + 41 that produces prime numbers for values of n that lie between 0 and 39 inclusive. It can generate 40 prime numbers for 0 <= n <= 39.
A pair of prime numbers X and Y are said to be twin prime numbers if the absolute difference between them is 2. Example - (107, 109) are twin prime numbers.
1 is neither prime nor composite.

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