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21, 55, 77, and 93 are composite numbers. 23 is a prime.
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∙ 11y ago
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Is the number 55 composite?
No, the number 55 is composite because it has factors other than 1 and itself. Its factors are 1, 5, 11, and 55.
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.
What composite number of 1485?
The composite factors of 1485 are 9, 15, 27, 33, 45, 55, 99, 135, 165, 297, 495, 1485
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
Is the number 55 composite?
No, the number 55 is composite because it has factors other than 1 and itself. Its factors are 1, 5, 11, and 55.
Is 13 27 and 55 composite numbers?
27 and 55 are composite numbers but 13 is a prime number
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 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 55 a composite number?
yes it is. - turtles rock man :-)
Why is 55 a composite number?
It has more than two factors.
Which of the following is not a factor of the composite number 55?
Anything that isn't 1, 5, 11, 55
How long does it take to go 21 miles at 55 mph?
21 miles / 55 mph = 0.38 hours, or 23 minutes
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 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 55 a composite or prime?
Composite 55 / 11 = 5
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.
