Yes 21 is a composite number because it has more than two factors
Composite 1x21and 7x3
21 is a composite number because it has more than two factors
Contact your local police.
The expression "21a 6" seems to imply an operation between 21a and 6. If we interpret it as "21a + 6," the answer would be written as (21a + 6). If it means something else, please provide more context for a more accurate response.
It is a composite number.284 is a composite number
94 is a composite number
515 is a composite number. NB Remember #1 ; Any number ending in an even number ( 0,2,4,6,8) is composite. #2 ; Any number ending in '0' or '5' is composite. #3 ; Any number whose digits sum to '9' is composite. e.g. 135 = 1 + 3 + 5 = 9 is a multiple of '9'. #4 ; You only need to divide by '3' or '7' to test for prime number. It the result is a whole number then it is NOT a prime. NNB Since the above number , 515, ands in ;5; then it is composite.
It is a composite number.
Both. It is a number and it is composite.
Composite number
It is a composite number.
It is a composite number.