common factor: meaning, definition, pronunciation and examples
B1Formal to Neutral
Quick answer
What does “common factor” mean?
A number that divides exactly into two or more other numbers.
Audio
Pronunciation
Definition
Meaning and Definition
A number that divides exactly into two or more other numbers.
A feature, quality, or circumstance that is shared by and relevant to two or more people, groups, or things; a point of connection or similarity.
Dialectal Variation
British vs American Usage
Differences
No significant difference in meaning or usage. Spelling of related words may differ (e.g., factorise vs. factorize).
Connotations
Identical in both varieties.
Frequency
Slightly more frequent in UK educational contexts due to differences in primary/secondary mathematics curricula naming, but the term is standard in both.
Grammar
How to Use “common factor” in a Sentence
[Subject] has/shares a common factor with [Object].The common factor between/of [X] and [Y] is [Z].A common factor in [situation] is [element].Vocabulary
Collocations
Examples
Examples of “common factor” in a Sentence
verb
British English
- We need to factorise the equation to find the common factor.
American English
- We need to factor the equation to find the common factor.
adjective
British English
- The common-factor analysis revealed underlying links.
American English
- The common-factor analysis revealed underlying links.
Usage
Meaning in Context
Business
Used to analyze market trends or team dynamics, e.g., 'A common factor in our successful projects is clear communication.'
Academic
Frequent in mathematics, sociology, and comparative studies, e.g., 'The study sought to identify common factors in language acquisition.'
Everyday
Used to discuss shared experiences or traits, e.g., 'A common factor for everyone at the reunion was they all grew up here.'
Technical
Precise meaning in number theory and algebra; also used in data analysis to find correlations.
Vocabulary
Synonyms of “common factor”
Vocabulary
Antonyms of “common factor”
Watch out
Common Mistakes When Using “common factor”
- Using 'common factor' to mean 'frequent cause' (better: 'common cause').
- Confusing 'factor' with 'multiple'. A common factor divides numbers; a common multiple is a number they all divide into.
FAQ
Frequently Asked Questions
No, it originates from maths but is widely used figuratively in everyday language, business, and social sciences to denote a shared element.
In maths, they are different (factor vs. multiple). Figuratively, they are near synonyms, but 'common denominator' often implies a basic, sometimes lowest-level, shared trait.
In maths, list all factors of each number and find those that appear in all lists. Figuratively, compare items to identify shared features or causes.
In advanced mathematics, yes, factors can be negative. In most school-level contexts and general usage, common factors are understood as positive.
A number that divides exactly into two or more other numbers.
Common factor is usually formal to neutral in register.
Common factor: in British English it is pronounced /ˌkɒm.ən ˈfæk.tə/, and in American English it is pronounced /ˌkɑː.mən ˈfæk.tɚ/. Tap the audio buttons above to hear it.
Phrases
Idioms & Phrases
- “To have something in common (related concept)”
Learning
Memory Aids
Mnemonic
Think of a FACTORY that makes the same part (FACTOR) for two different machines. That part is their COMMON FACTOR.
Conceptual Metaphor
UNDERLYING STRUCTURE IS A FOUNDATION (shared foundation), SIMILARITY IS A THREAD (common thread).
Practice
Quiz
In mathematics, what is the 'greatest common factor' of 24 and 36?