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Is 143 a Prime Number?

Is 143 a prime number? Numbers having only 2 factors, i.e. 1 and the number itself are known as prime numbers whereas numbers with more than 2 factors are known as composite. The answer to the question whether 143 is a prime or composite is - "143 is a composite number." Now, let us find out how and why is 143 a prime number or a composite number?

Is 143 a prime number? - No
Is 143 a composite number? - Yes
Factors of 143 - 1, 11, 13, 143
Is 143 a perfect square? - No
Prime Factors of 143 - 11, 13

Is 143 a Prime or Composite?

Is 143 a Prime Number?

No, 143 is not a prime number. The number 143 is divisible by 1, 11, 13, 143. For a number to be classified as a prime number, it should have exactly two factors. Since 143 has more than two factors, i.e. 1, 11, 13, 143, it is not a prime number.

Is 143 a Prime Number?

Why is 143 not a Prime Number?

To understand whether 143 is prime or composite, it is important to find its factors.

Factors of 143: 1, 11, 13, 143

Since 143 has more than 2 factors, we can say that 143 is not a prime number.

☛ Prime Number Calculator

Is 143 a Composite Number?

Yes, since 143 has more than two factors i.e. 1, 11, 13, 143. In other words, 143 is a composite number because 143 has more than 2 factors.

Problem Statements:

Is 143 a Prime Number?	No
Is 143 a Composite Number?	Yes
Is 143 a Perfect Square?	No
Square of 143	20449
Is 143 an Even Number?	No
Multiples of 143	143, 286, 429, 572, 715, 858, 1001, 1144, 1287, 1430
Square Root of 143	11.958261
Is 143 an Odd Number?	Yes
Is 143 a Perfect Cube?	No
Cube Root of 143	5.229313

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.
2 is the smallest prime number.
1 is neither prime nor composite.

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