This road sign is on eastbound I-10 in New Mexico.

The road sign says...

+--------------------+ | NM Hwy-80 South 2 | | Lordsburg 18 | | Deming 78 | +--------------------+the numbers are: 80 2 18 78 the math is: sqrt(sqrt(78 + 18 - 80)) = 2 rsHwyEval: (2 + 18) / (80 - 78) = 10 * This road sign is on I-10. rsStateEval: 78 / 2 + 80 % 18 = 47 * New Mexico was the 47th state admitted to the Union. BARSfunc rsStateEval: spf(80) + spf(78) + spf(18) * 2 = 47 * New Mexico was the 47th state admitted to the Union. * spf(n) = the sum of the prime factors of n * spf(80)=2+2+2+2+5=13; spf(78)=2+3+13=18; spf(18)=2+3+3=8 off-by-one rsStateEval: 80 / 2 + 78 % 18 = 47-1 * New Mexico was the 47th state admitted to the Union.

**Creator:** Gerald Thurman
[gthurman@gmail.com]

**Created:** 30 April 2011

This work is licensed under a Creative Commons Attribution 3.0 United States License.