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["Prime Number","Number of Digits","Time Taken\nWhen Number is Double","Time Taken when Number is Variant"]
[9999999929,{"$f":"LEN(A2)","v":10},"1.19 ms","6.23 ms"]
[99999999977,{"$f":"LEN(A3)","v":11},"3.66 ms","19.86 ms"]
[999999000001,12,"12.22 ms","64.18 ms"]
[9999999998987,13,"36.93 ms","197.60 ms"]
[99999999944441,14,"130.49 ms","617.35 ms"]
[999998727899999,15,"367.51 ms","1980.00 ms"]