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21, 55, 77, and 93 are composite numbers. 23 is a prime.

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โˆ™ 2012-05-09 15:02:32
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Q: What is a composite number 21 55 77 93 23?
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Related questions

Is the number 55 composite?

Yes. 55 is a composite number and it is divisible by 1, 5, 11, 55


Is 13 27 and 55 composite numbers?

27 and 55 are composite numbers but 13 is a prime number


Is 55 a prime or composite or neither?

55 is a composite number because it has other factors aside from 1 and itself. The other factors of 55 are 5 and 11.


Is 23 a triangle number?

No, 23 is not a triangular number. Here are a few examples of triangular numbers: 21, 28, 55, 45, 78 and 91.


Is 55 composite or prime?

55 has factors other than 1 and itself, so it is not a prime number. For example, 55 is divisible by 5. (You can tell this because the last digit is a 5. If the last digit - the digit in the ones place - is a 5 or a 0, the number is divisible by 5.) Therefore, 55 is a composite number.composite


Which of the following is not a factor of the composite number 55?

Anything that isn't 1, 5, 11, 55


Why is 55 a composite number?

It has more than two factors.


How long does it take to go 21 miles at 55 mph?

21 miles / 55 mph = 0.38 hours, or 23 minutes


What are the composite numbers between 0 1 15 19 23 31 49 55 59 87 91 97 103 105?

15, 49, 55, 87, 91,105 are the composite numbers.


Is 55 a prime or composite and why?

composite because it has more than two factors


Example of a composite number?

A composite number is a number which is not prime. All numbers are divided into the categories of either prime or composite (except for the number 1, which is neither). Examples of composite numbers are: 4,6,8,10 etc. All even numbers and square numbers are composite. There are, however, odd and non-square numbers that are composite as well, such as 15,21,27 and 55.


What composite number of 1485?

The composite factors of 1485 are 9, 15, 27, 33, 45, 55, 99, 135, 165, 297, 495, 1485


Is 55 a composite number?

yes it is. - turtles rock man :-)


Is 110 prime or composite?

110 is composite. A prime number is a number that is divisible only by 1 and itself; it has no other factors. A composite number is a number that is divisible by more than 2 numbers. The factors of 110 are 1, 2, 5, 10, 11, 22, 55, and 110. Therefore, 110 is a composite number.


Is 55 a composite or prime?

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What number as much greater than 34 as it is less than 76?

34+21 = 55 and 70-21 = 55


Is 55 a prime number or a composite number?

Answer:55 is not a prime number. It is a composite number.Definition:A prime number has exactly two factors: 1 (also known as unity) and itself. A composite number has more than two factors; in other words, it has at least one factor besides 1 and itself.Explanation:Any number ending in 0 or 5 is evenly divisible by 5, so it has 5 as a factor. Thus, 55 is also divisible by 5, so it is a composite number.


Is 95 and 55 prime?

Every number greater than 5 that ends in a 5 is a composite number, not a prime.


What is a 1 step palindrome?

A "one step palindrome is "any number can be changed into a palindrome number by reversing the digits and adding to the original number" one time. For example, the number 23 can be turned into a palindrome in just one step: 23 + 32 = 55 The same goes for the number 12: 12 + 21 = 33


How are prime numbers different than composite?

Prime numbers are numbers that can only be multiplied itself and one.For ex.87 is a prime number. You can't multiply a number to get 87. Composite is a number that can be multiplied by other numbers than itself. For ex.55 is a commposite number. 11 and 5 can get you 55. Hope u understand! Good luck!


Why is the number 55 composite number?

It ends with a 5 and so is evenly divisible by 5.


What is a prime factization?

Prime factorization means to change a composite number into the product of its prime factors as for example 55 as a product of its prime factors is 5*11 = 55


What are the odd composite number less then 100?

The numbers 9, 15, 21, 25, 27, 33, 35, 39, 45, 49, 51, 55, 57, 63, 65, 69, 75, 77, 81, 85, 87, 91, 93, 95 and 99 are the odd composite numbers less than 100.


What is 55 plus 23?

55 + 23 = 78


What is 78-55?

78-55 = 23