https://math.stackexchange.com/questions/514/conjectures-that-have-been-disproved-with-extremely-large-counterexamples/ https://math.stackexchange.com/questions

https://math.stackexchange.com/questions/514/conjectures-that-have-been-disproved-with-extremely-large-counterexamples/ https://math.stackexchange.com/questions/514/conjectures-tha... was excellent. Thank you. > 𝑛^17+9 and (𝑛+1)^17+9 are relatively prime > The first counterexample is 𝑛=8424432925592889329288197322308900672459420460792433 I think this helped me appreciate the difficulty of being satisfied with the Collatz conjecture.