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Is 1 a Prime Number Yes or No?

Maya Lin-Takahashi • • 6 min read
Is 1 a Prime Number Yes or No?
★ Key Takeaways

Using This Definition, 1 Can Be Divided by 1 and the Number Itself, Which Is Also 1, So 1 Is a Prime Number. However, Modern Mathematicians Define a Number as Prime If It Is Divided by Exactly Two Numbers. for Example: 13 Is Prime, Because It Can Be Divided by Exactly Two Numbers, 1 and 13.

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Direct Answer • Key Takeaway

Using This Definition, 1 Can Be Divided by 1 and the Number Itself, Which Is Also 1, So 1 Is a Prime Number. However, Modern Mathematicians Define a Number as Prime If It Is Divided by Exactly Two Numbers. for Example: 13 Is Prime, Because It Can Be Divided by Exactly Two Numbers, 1 and 13.

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Maya Lin-Takahashi
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Maya Lin-Takahashi

Maya is a hardware enthusiast who tests and reviews smart home devices, smartphones, wearables, and audio gear. She focuses on practical consumer value and build quality.