Is 551 a prime number?

Is 551 a prime or composite number?

Answer: Number 551 is not a Prime
551 - is not a Prime Number because it has 4 factors: 1, 19, 29, 551
Number should have exactly two factors to be classified as a Prime number
For 551 to be a prime number it must have only two divisors - 1 and itself (551)

See Also

Prime numbers list

NumberIs Prime
536No
537No
538No
No
540No
Yes
542No
543No
544No
545No
546No
Yes
548No
549No
550No
No
552No
No
554No
555No
556No
Yes
558No
559No
560No
No
562No
Yes
564No
565No

About "Is number a Prime" Calculator

This calculator will help you find out if a given number is Prime. For example, it can help you find out is 551 a prime or composite number? (The answer is: No). Enter number (e.g. '551') and hit the 'Calculate' button.
Prime numbers are the positive integers having only two factors - 1 and the number itself

FAQ

Is 551 a prime or composite number?

Number 551 is not a Prime

How many factors are in a number 551?

4