indivisible by
Học thuậtThân thiện
Definition
Adjective: cannot be divided without leaving a remainder; not exactly divisible by a given integer.
Usage
This adjective describes a specific mathematical relationship between two numbers. It is used to state that when one number (the dividend) is divided by another number (the divisor), the result is not a whole number; there is always a remainder. The typical structure is "X is indivisible by Y."
Examples
- Seven is indivisible by two.
- Any odd number is indivisible by two.
- The number 17 is indivisible by 5.
Advanced Usage
- The concept is fundamental in number theory and modular arithmetic.
- It is the logical opposite of "divisible by." For example, "10 is divisible by 5" is true, while "10 is indivisible by 3" is true.
- It can be used in more abstract or figurative contexts to imply something cannot be separated or apportioned. (e.g., )
Variants and Related Words
- Indivisible (Adjective): Unable to be divided or separated.
- The nation declared itself an indivisible union.
- Prime (Adjective): A whole number greater than 1 that is indivisible by any whole number other than 1 and itself.
- 7 is a prime number.
Synonyms
- Not divisible by
- Leaves a remainder when divided by
Antonyms
- Divisible by
- A multiple of
Related Phrases
- Leaves a remainder: Describes the outcome of the division.
- 10 divided by 3 leaves a remainder of 1.
Adjective
- cannot be divided without leaving a remainder