# Integer Greater than 121 is Sum of Distinct Primes of form 4 n + 1

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## Theorem

Let $n$ be an integer greater than $121$.

Then $n$ can be expressed as the sum of distinct prime numbers of the form $4 n + 1$.

## Proof

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## Sources

- 1986: David Wells:
*Curious and Interesting Numbers*... (previous) ... (next): $121$ - 1997: David Wells:
*Curious and Interesting Numbers*(2nd ed.) ... (previous) ... (next): $121$