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العربية

Prime numbers

An integer greater than 1 divisible only by 1 and itself.

Formula or test

p > 1 with no divisors other than 1 and p.

Examples

2 · 3 · 5 · 7 · 97

Members

9,592 numbers

FAQ

Is 1 prime?
No. 1 is neither prime nor composite in the definition used here.
What is the smallest prime?
2, the only even prime.