Is 931 a Prime Number?

Is 931 a prime number? "No, 931 is not 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 1109 with only 2 factors, i.e. 1 and 1109 are called prime numbers. However, numbers like 320 with more than 2 factors are called composite numbers. Let us find out how and why is 931 a prime number or a composite number?

• Is 931 a prime number? - No
• Is 931 a composite number? - Yes
• Factors of 931 - 1, 7, 19, 49, 133, 931
• Is 931 a perfect square? - No
• Prime Factors of 931 - 7, 19

Is 931 a Prime Number?

No, 931 is not a prime number. The number 931 is divisible by 1, 7, 19, 49, 133, 931. For a number to be classified as a prime number, it should have exactly two factors. Since 931 has more than two factors, i.e. 1, 7, 19, 49, 133, 931, it is not a prime number.

Why is 931 not a Prime Number?

To understand whether 931 is prime or composite, it is important to find its factors.

Factors of 931: 1, 7, 19, 49, 133, 931

Since 931 has more than 2 factors, we can say that 931 is not a prime number.

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Is 931 a Composite Number?

Yes, since 931 has more than two factors i.e. 1, 7, 19, 49, 133, 931. In other words, 931 is a composite number because 931 has more than 2 factors.

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Fun Facts:

• A palindrome prime is a prime number that when read in reverse order results in the same number. Examples - 10601, 11311, 12421
• A pair of prime numbers X and Y are said to be twin prime numbers if the absolute difference between them is 2. Example - (311, 313) are twin prime numbers.
• A perfect square (square number) is always a composite number.

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