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1, 3, 7, 21

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12y ago

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Related Questions

Is 10 19 21 62 composite numbers?

19 is prime number. 10, 21 and 62 are composite numbers.


Are 21 and 31 composite numbers?

21 is composite as 3 times 7 is 21 31 is prime


How many composite numbers are there from 101 to 200?

Out of those 100 numbers, 21 of them are prime numbers, so the remaining (100 - 21) = 79 are composite.


What is the the composite numbers between 11 and 21?

composite numbers between 11 and 21:12 14 15 16 18


What are the composite numbers between 21 and 31?

The composite numbers between 21 and 31 are: 21 22 24 25 26 27 28 30


Is the numbers 19 21 and 23 a composite number?

No, the numbers 19, 21, and 23 are not composite numbers. A composite number is a positive integer greater than 1 that has more than two distinct positive divisors. In the case of these numbers, 19 and 23 are prime numbers because they are only divisible by 1 and themselves, while 21 is a composite number because it has divisors other than 1 and itself (3 and 7).


What are 21's composite numbers?

The factors of 21 are 1, 3, 7, and 21. The only factor of 21 that is a composite number is 21.


Does 21 contain two composite numbers?

No.


Which of these numbers are not composite 21 5 25 39?

Of those, 5 is not composite.


What is the meaning of a consecutive composite number?

21 and 22 are consecutive composite numbers.


Are these numbers prime or composite 21?

21 is a composite 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.


Are 14 an 21 composite?

yes as they are not prime numbers