Prime Numbers Basics

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Definition of Prime Number

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A number greater than 1 with only two divisors: 1 and itself.

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First Prime Number

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2

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Prime Number Example

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3, 5, 7, 11, 13, 17, 19, 23, 29, 31

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Non-Prime Example

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4, 6, 8, 9, 10

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Prime Number Property

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Only divisible by 1 and itself.

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Smallest Prime Number

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2

Front

Even Prime Number

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2 (only even prime)

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Prime vs Composite

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Composite numbers have more than two divisors.

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Prime Number Sequence

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Infinite sequence of numbers.

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Prime Number Use

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Cryptography, coding theory.