A Prime number is a number that can not be divisible by any other number besides one.
a prime #
Positive times negative equals negative.
17/9 is 1 and 8/9 as a mixed number
prime means it has only 2 factors which is itself and 1. composite has in addition to 1 and itself.
Do you mean a "prime" number? If so, a prime number is a number that can only be divided evenly by itself or the number one.
No.
No
31, 37
No. It is divisible by 7. 7*7 = 49
17 is a prime number because it has only two factors which are itself and one.
No, 98 is divisible by 2; therefore, it is a composite number.
3 x 3 x 7 = 63
81 is a composite number because its factors are more than 2
2 x 8 = 16 4 x 4 = 16
2 x 2 x 2 x 2 x 2 x 2 or 2^6
Prime numbers have two factors, composite numbers have more than two.
126