no 4 is not a prime number because the factors are 1 and 2 and 4. Not 1 and 4 only
No, 20 is not a prime number. It is divisible by 2, 4, 5, and 10, in addition to 1 and 20.
Actually the next number in the sequence is 17 A 19 , 23 , 29 , 31 ,.......... Prim number
+4 for carbon, -2 for each Sulphur
Composite. All positive, whole numbers greater than two and ending in 0, 2, 4, 6 or 8 are composite.
-1.35678 is one of infinitely many possible answers.
2x2
{-1, -1, 1 and 4} is one of an infinite number of possible answers.{-1, -1, 1 and 4} is one of an infinite number of possible answers.{-1, -1, 1 and 4} is one of an infinite number of possible answers.{-1, -1, 1 and 4} is one of an infinite number of possible answers.
Whole Number Answers: 1*26 2*13 Some Fractional Answers: 3*8 2/3 4*6.5 5*5.2 6*4 1/3
This is multiple choice only. It is number 1-30 going down the list. Here are the answers... 4 4 3 2 1 3 3 3 2 1 3 3 4 3 2 4 3 4 3 1 1 4 2 1 4 4 2 4 2 1
4
prim