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| opposite of a number |
| number consisting of a whole number and a fraction or decimal |
| prime number | |
| —n | |
| Compare composite number Sometimes shortened to: prime an integer that cannot be factorized into other integers but is only divisible by itself or 1, such as 2, 3, 5, 7, and 11 | |
| prime number
A positive integer greater than 1 that can only be divided by itself and 1 without leaving a remainder. Examples of prime numbers are 7, 23, and 67. Compare composite number. |
A number that cannot be divided evenly by any other number except itself and the number one; 1, 3, 5, 7, and 11 are prime numbers.