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Is a 84 a prime number?


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Answered 2011-01-10 23:40:56

nope. but 83 and 89 are

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No prime numbers equal 84. The only number equal to 84 is 84,and it isn't a prime number.The prime factors of 84 are: 1, 2, 2, 3, and 7




Neither number is prime: 117 is divisible by 3 and 84 is divisible by 2.


84 is a composite number.


84 is a composite number. as it is divisible by 1,2,3.. etc.


It is a composite number ( 2 goes into 84 right?)


7 is the largest prime factor in 84. The prime factors of 84 are 22 x 3 x 7.


No. The only even prime number is 2.


Neither number is prime: both are divisible by 2.


84 is a composite number because it has more the 2 factors


84 is a composite number.Its factors are 1,2,3,4,6,7,12,14,21,28,42,and 84All even numbers greater than 2 are composite.


If two prime number have a sum of 54 they cannot have a sum of 84, and conversely.


6Improved answer:The prime factors of 84 are 2, 3 and 7: 2*2*3*7 = 846 is not a prime number because it has more than two factors.


Yes. A prime number can only be divided by 1 and itself. 84 can be divided by 1,2,3,4,6,7,12,14 and so on.


The HCF of 21, 84 and 91 is.... 1 ! The number 91 is a prime number.


84 is not a prime. All numbers ending in four are composite.



None. These are all composite.


A prime number has only 2 factors which are 1 and itself. Composite numbers are everything else except 1 and 0. 1 and 0 are neither prime, nor composite. 84 is composite.


The prime factors are: 2,3,7They are: 2, 3 and 7The prime factors of 84 are: 2,3,7The prime factors of 84 are: 2,3,7


84 is a composite number because it has factors other than 1 and itself. It is not a prime number.The factors of 84 are 1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, and 84.The distinct prime factors of 84 are 2, 3, and 7.The prime factorization of 84 is 2 x 2 x 3 x 7 or, in index form, 2^2 x 3 x 7.


The prime factors of 84 are 2x2x3x7.


No, 45 and 84 are not relatively prime.


The highest two-digit prime number is 97. Out of that group, the highest (and only) prime number is 71.



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