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Because it has factors other than 1 and itself. They are 5 and 17.

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Q: Why is 85 a composite number?
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Related questions

Why 85 a composite number?

85 is a composite number because a number can equal it: 5 x 17 = 85


Is 85 a prime or a composite number?

It is neither. The concept of prime or composite is relevant for whole numbers greater than 1.


Is 85 a prime number or a compostie number?

85 is composite.


Is the number 85 a composite number?

yes it is


Why is 85 composite?

85 is a composite number because numbers other then 1 and itself equally go into it. 5 x 17 = 85, so 5 and 17 both go into 85 making it a composite number. (All numbers ending in 5 are composite, because 5 goes into them.)


Is 85 a prime?

85 is not a prime number because it is divisible by 5. This means it is a composite number.


Is 85 composite?

85 is a composite number. Other than itself and 1, it is also divisible by 5 and 17.


Is 43 a 2 digit odd number that is a composite?

Yes, 43 is a two-digit odd number because it has two digits and is not divisible by 2. It is a prime number because it can only be divided by 1 and itself. A composite number is a positive integer greater than 1 that has at least one positive divisor other than 1 and itself, so 43 is not a composite number.


Is 85 prime or composite explain?

85 is a composite number because it has more than two factors whereas prime numbers have only two factors


Is 85 a prime number?

85 is a composite number85 is not a prime number because it has more than two factors.


What is a composite number that can only have 1 factor tree to it?

85


What are the composite numbers between 85 and 95?

All of them except for 89 which is a prime number