# Is 51 a prime number?

No 51 is not a prime number. A prime number is a number than is only divisible by itself and the number 1. The number 51 is divisible by 3. 51 divided by 3 equals 17.
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 51 is not a prime number because it can be divided by 3 and 17 in addition to 1 and itself. http://wiki.answers.com/Q/Why_is_51_not_a_prime_nu...
 Prime numbers are natural numbers which are divisible by itself and 1.It is also a whole number greater than 1. E.g: 17 is a prime number since it is divisible by only 1 and 17. http://answers.ask.com/Reference/Dictionaries/what...
 The number 17 is a prime and 51 is not a prime. http://www.chacha.com/question/what-is-a-prime-num...
 Stated simply, a prime number is a natural number that has only two divisors, or factors: one, and itself. The first prime number is 2, and there are 25 primes between 1 and 100. http://www.ehow.com/facts_4922046_what-prime-numbe...
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51/17 = 3, thus it has more factors than just 1 and 51. ...
In my opinion, 51 is really tricky and seems like it is prime, but it isn't. As a composite number, 51 has two other prime numbers that divide in to it 3 and 17. ...
The prime factorization of the number 51 is, 3 x 17. The number 51 is not a prime number, and there's no need for any exponents in the prime factorization answer ...
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