rafaelespinoza / fnaas Goto Github PK

The fibonacci sequence seems to be correct, but only up to the 79th number.

    75  1304969544928657
    76  2111485077978050
    77  3416454622906707
    78  5527939700884757
    79  8944394323791464
    80  14472334024676220 # <----- should be 14472334024676221
    81  23416728348467684 # <----- should be 23416728348467685

All number in JS are 64 bit IEEE 754 floating point. And around this point, the numbers are greater than Number.MAX_SAFE_INTEGER. There's also a bigint nowadays, made to go past 2^53. So there's that.