25 is the only composite number out of 31, 29, 25, 23.
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which of the following numbers is a composite number 5,23,47,73,77,79?Another answer:77 because it has more than two factors.
23 is a prime number.
Not all numbers between 20 and 28 are composite numbers. 23 is a prime 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).
Only 35 is a composite number; the rest are prime numbers.