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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.
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8y ago

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13y ago

5.5 is neither. It must be a whole number. 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.

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13y ago

55 is a composite number. A prime number has only 2 factors which are 1 and itself. Composite numbers are everything else except 1, 2, and 0. 1, 2, and 0 have a different name.

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Q: Is 55 composite or prime
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Is 55 a composite or prime?

Composite 55 / 11 = 5


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


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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


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


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To find the prime factorization of a number, start with any factor pair of that number and keep factoring the composite numbers until all factors are prime. 55 5 x 11 = 55 Both factors are prime, so that is the prime factorization.


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Any of its factors including itself As a product of its prime factors: 5*11 = 55


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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.


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