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# Prove that it's not a prime number

Prove that $$3^{44} + 4^{29}$$ is not a prime.

Note by Abhishek Alva
1 year, 3 months ago

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- 1 year, 3 months ago

Nice wiki about the identify! Would you like help developing it out further?

Staff - 1 year, 3 months ago

How developing it further,sir?

- 1 year, 3 months ago

Here is how I would go about developing the page further

1. List out various problems that use the identity - Example 1, Example 2, Example 3, etc

2. Once we have several good examples, start to categorize them. E.g. Showing that a number is composite, Solving diophantine equations, Telescoping series, finding large prime divisors, etc

3. See if each category makes sense / is useful. If it is, see if a beginner can easily understand how to approach it, otherwise add a more basic example.

Staff - 1 year, 3 months ago

Ok sir.Thank you very much for your guidance.I will soon make progress on the page.

- 1 year, 3 months ago

Divisible by 5.Check unit digit =1+4=5

- 1 year, 3 months ago

Use Sophie Germain identity.

- 1 year, 3 months ago