20 is a composite number. Its factors are 1, 2, 4, 5, 10, and 20.
wowo is it a composite number dang how did I not see that...
composite
20 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.
20 is a composite number
LCM of a prime number and a composite number is always equal to their product if the composite number is not a multiple of the prime number. Here, 41 is a prime number and 20 is a composite number. Therefore LCM(20,41) = 20 x 41 = 820
20
It is 19 which is a prime number
20 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.
2 AND 5
Not all numbers between 20 and 28 are composite numbers. 23 is a prime number.
It is not a prime number, it is a composite number.
It is prime