1st ulam prime is 2

1st ulam prime is 2.

2 is 1st ulam prime.

Learn more about Ulam primes.

Neighbours#

2₂₇

3₃₀

11₃₈

13₃₄

47₂₂

Compare with#

2₂₇

3₃₀

11₃₈

13₃₄

47₂₂

Learn more about Ulam primes
Check first 10 ulam primes
Check ulam primes up to 100
Check all ulam primes

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