volume_mute

Prime Number Definition

publish date: 2026/05/23 05:02:18.847969 UTC

volume_mute

A natural number is called a prime number if it has:

Exactly one factor: itself

Exactly two unique factors: 1 and itself

Three or more factors

Only even factors

Correct Answer

Exactly two unique factors: 1 and itself

Explanation

A prime number is a natural number with exactly two unique factors — the number 1 and the number itself. For example, 7 is prime because its only factors are 1 and 7.

Reference

Introduction to Differential Calculus (Systematic Studies with Engineering Applications for Beginners) - 2012

Quizzes you can take where this question appears

Properties and Theory of Integers