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Answered 2012-11-04 10:34:23

84 and 91 are composite numbers

67 and 73 are prime numbers

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composite numbers are numbers that can be divided by something other than one. in other words, non-prime numbers. thus, these numbers are composite numbers: 86, 96, 85, 87, 99, 100, 82, 84 and these are not composite numbers: 67, 73



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.


There are several combinations of prime numbers that could have a sum of 84:11 and 7313 and 7117 and 6723 and 6131 and 5337 and 4741 and 43


there is none it is a composite it is 1 and 84(it self )


All the prime numbers from 1 to 84 are: 2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47, 53, 59, 61, 67, 71, 73, 79, and 83.


60, 72, 84 and 90 to name a few.


Composite. All whole numbers ending in zero are 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.


No because they are all composite numbers


67 / 84 = 0.797619048....


56 and 84 are both composite numbers, so neither are prime and they are not relatively prime either as they share several factors.


84 is composite because it is made of 2x2x3x7


84 is a composite number.


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



15 ,67, and 84 are numbers that are close to the given numbers to make estimation easier.


81, 82, 84, 85, 86, 87, 88. 80 and 90 are composite too


The composite numbers are: 72, 74, 75, 76, 77, 78, 80, 81, 82, 84, 85, 86 ,87, 88


Composite numbers have factors other than 1 and itself. So, two good examples are: 62 and 84


x - (-11) = -73 x = -84 Proof: -84 - (-11) = -73


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


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


The variance of 73 72 67 74 78 84 79 71 76 76 79 81 75 80 78 76 78 = 16.8456


73 - 89 = -16 -16 + 84 = 68 89 - 73 = 16 16 + 84 = 100