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2411

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2417

2^4 + 7^4 = 2417

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2423

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2437

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2441

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2447

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2459

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2467

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2473

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2477

Last prime in the 2400s, with 23 composites following to the end of the century (2500). Next time 23+ composites happens at the end of a century is not until the 8400s. (See you there!)

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2503

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2521

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2531

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2539

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2543

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2549

Who would ever guess 50^2 + 7^2 is prime? It just looks so ... composite.

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2551

Member Avatar for debasisdas

2557

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2579

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2591

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2593

Member Avatar for BearofNH

2609

Member Avatar for jasimp

2617

Member Avatar for BearofNH

2621

Member Avatar for jasimp

2633

Member Avatar for BearofNH

2647

Member Avatar for jasimp

2657

Member Avatar for BearofNH

2659

Hi, sailor!
(Being half of a prime pair)

Member Avatar for jasimp

2663

Member Avatar for BearofNH

2671

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