prime
18
6.5
- noun
- /praɪm/
- Specialized
:
número primo
- In her prime, she could cut the waves at a respectable seventeen knots.
It only works for primes and powers of primes.
- It only works for primes and powers of primes.
- So twin primes are primes which differ by two.
- There has to be a reason why those small primes appear in the denominator.
- With any other proof, the twin prime conjecture N equals NP.
Examples
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The number 7 is a prime because it can only be divided by 1 and 7.
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Double them, add one, you get another prime.
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For example, 18 can be expressed as the sum of the two primes 7 and 11.
Fiction book (1998) -
So twin primes are primes which differ by two.
-
It only works for primes and powers of primes.
-
To find whether a number is prime, check if it has any divisors other than 1 and itself.
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In the set of natural numbers, 2 is the smallest and only even prime.
Synonyms
7
3.6
A whole number greater than 1 that you can divide only by 1 and itself
A whole number greater than 1 that can only be divided evenly by 1 and itself
Idioms
Compounds
- Specialized
7
3.6
A whole number greater than 1 that you can divide only by 1 and itself
- Formal
1
9.9
A first being people think starts everything, often the God of some religions
- Specialized
1
4.9
A number greater than one that can only be divided by one and itself and divides another number exactly
- Specialized
1
4.2
The lowest interest rate banks charge to their best business customers
1
4.4
An imaginary line at zero degrees that runs through Greenwich, England and is used to measure east and west
- Specialized
A whole number greater than 1 that can only be divided evenly by 1 and itself
Surface Forms
Etymology
Prime comes from the Latin word primus meaning 'first', the same root as primary. So a prime number is like a 'first' building block of the natural numbers, a number that cannot be made by multiplying smaller whole numbers.