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Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
least common
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "least common" is correct and usable in written English.
It is typically used in mathematical contexts, particularly when referring to the least common multiple (LCM) of two or more numbers. Example: "To find the least common multiple of 4 and 6, we determine that it is 12."
✓ Grammatically correct
News & Media
Science
Wiki
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Human-verified examples from authoritative sources
Exact Expressions
60 human-written examples
The least common?
News & Media
It is strategy by least common denominator.
News & Media
It pleased everyone as the least common denominator.
News & Media
She covers greatest common factors and least common multiples.
News & Media
Depressed or indented lesions were the least common but the most risky.
News & Media
And the work being produced adheres to known standards or at least common formats.
News & Media
"It is not incumbent on the airlines to be the least common denominator here.
News & Media
Pneumonic plague is the least common and most deadly form of the disease.
News & Media
least common multiple.
The least common sign among billionaires?
News & Media
It is, at the very least, common.
News & Media
Expert writing Tips
Best practice
When using "least common" in a mathematical context, ensure you're referring to the least common multiple (LCM). Otherwise, clarify what you're measuring the commonality of, for example, "the least common type of error".
Common error
Avoid using "least common" interchangeably with "least common multiple" (LCM) unless the context is explicitly mathematical. Using "least common" generally implies rarity or infrequency, whereas LCM is a specific mathematical concept.
Source & Trust
81%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "least common" functions as an adjective phrase, modifying a noun to indicate that it is the rarest or most infrequent among a group. It describes the relative frequency or prevalence of something. Ludwig AI analysis confirms its correct and consistent usage.
Frequent in
Science
36%
News & Media
35%
Wiki
5%
Less common in
Formal & Business
3%
Encyclopedias
0%
Reference
0%
Ludwig's WRAP-UP
In summary, the phrase "least common" is a grammatically sound and frequently used expression. Ludwig AI confirms its standard usage to denote the rarest or most infrequent item within a set. Predominantly found in scientific and news contexts, it maintains a neutral register suitable for various audiences. To ensure clarity, especially in mathematical or technical discussions, it's important to differentiate its general usage from specific terms like 'least common multiple'. By understanding these nuances, writers can effectively use "least common" to precisely convey rarity and infrequency in their writing.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
least frequent
Directly indicates minimal frequency.
rarest
Emphasizes the absolute minimum frequency of occurrence.
most infrequent
Highlights the lack of frequency, focusing on how rarely something happens.
least typical
Highlights deviation from the norm, implying that something is not commonly seen.
fewest
Denotes the smallest quantity of items or instances.
most unusual
Indicates something is not typical or ordinary, implying rarity.
most scarce
Focuses on the limited availability of something.
smallest number of
Focuses on the numerical aspect of being the smallest quantity.
least general
Suggests something that applies in the fewest cases or is not widely applicable.
minimal
Simply suggests 'the lowest quantity or level'.
FAQs
How do I use "least common" in a sentence?
Use "least common" to describe something that occurs infrequently or is the rarest among a group of items. For example: "Melanoma is the "least common" but most deadly form of skin cancer".
What is an alternative to saying "least common"?
You can use alternatives such as "rarest", "most infrequent", or "least frequent depending on the context.
Is it correct to say "less common" instead of "least common"?
"Less common" indicates something is not as frequent, but ""least common"" specifies that it is the rarest or most infrequent among a group. The choice depends on the specific comparison you want to make.
When should I use "least common multiple" instead of just "least common"?
Use "least common multiple" (LCM) specifically in mathematical contexts when referring to the smallest multiple that two or more numbers share. Outside of math, use ""least common"" to indicate rarity or infrequency.
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Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
81%
Authority and reliability
4.5/5
Expert rating
Real-world application tested