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Mathematics · Grades 3–4

Factor

noun

A number that divides evenly into another number without a remainder.

Example Sentences

"The factors of 12 are 1, 2, 3, 4, 6, and 12."

"Finding common factors helps when simplifying fractions."

Synonyms & Related Terms

divisormultiple

Quick Check

Which best describes the meaning of factor?

Study Tips

To remember factor, try writing it in a sentence of your own. Connect it to something you already know about mathematics.

Use it in conversation today — saying a word aloud three times helps lock it into long-term memory.