A number which is divisible only by itself and one
Question
What is a number called which is divisible only by itself and one?
Options
Option A
Improper number
Option B
Ordinal number
Option C
Prime number
Option D
Whole number
Correct Option
Option C
Explanation
A Prime Number can be divided evenly only by 1, or itself. And it must be a whole number greater than 1. Example: 5 can only be divided evenly by 1 or 5, so it is a prime number. But 6 can be divided evenly by 1, 2, 3 and 6 so it is NOT a prime number (it is a composite number).
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